12 Letter Words Starting with A that Are Amazing!

Are your little companions speaking a lot? Do you plan to enhance their vocabulary with some significant, new words?

If you are feeling the importance of improving the communication skills of your tiny tots, then you must start their lessons at a young age to offer them assistance in having an incredibly strong vocabulary.

If you feel the same, then, let us take a look at some interesting 12 letter words that start with the letter A.

So, let’s start…

List Of 12-Letter Words Starting With A

Alliteration	Literary device with the repetition of initial consonant sounds in neighboring words in a phrase.
Abolitionist	A person who advocates for the complete abolition or elimination of a particular practice.
Appreciation	The act of recognizing the value or quality of something or someone; a feeling of gratitude.
Annunciation	The announcement of an important message, refering to the news of Virgin Mary’s pregnancy.
Architecture	The art and science of designing and constructing buildings and other structures
Acceleration	The rate of change of velocity of an object, typically described as an increase in speed.
Appertaining	Related to something, often used to describe properties associated with a particular subject.
Ambidextrous	Capable of using both hands with equal skill, or having the ability to work with both hands.
Abbreviation	A shortened form of a word, typically formed by omitting certain letters, used for convenience.
Acquaintance	A person with whom one is familiar but not necessarily close or intimate.
Anticipation	The act of expecting something to happen in the future, often with a sense of excitement.
Affectionate	Expressing warmth, fondness, or love, often through physical gestures, words, or actions.
Alliterative	Pertaining to alliteration, the use of repeated consonant sounds in a group of words.
Apperception	The process of mentally integrating new experiences or information with existing knowledge.
Announcement	A public statement or declaration made to inform or alert people about a particular fact.
Agribusiness	Business of agricultural items, involving the cultivation and distribution of agricultural products.
Approachable	Easy to approach or accessible, often describing a person who is friendly, open, etc
Absquatulate	To leave or depart quickly and in a sudden or stealthy manner.
Amphitheater	A large, open-air venue with tiered seating, often used for performances, concerts, etc.
Asphyxiation	The condition of being deprived of air or oxygen, often leading to suffocation or death.
Annihilation	The complete and utter destruction or obliteration of something,
Adulteration	The act of adding impurities to a product, typically to reduce its quality or value.
Aerodynamics	The study of how air moves around objects, particularly how it interacts with solid bodies.
Alliterating	The present participle form of “alliterate,” meaning to engage in the practice of alliteration.
Ankylosaurus	A genus of herbivorous dinosaurs known for their heavy armor and stiff, fused vertebrae, etc.
Astronomical	Relating to astronomy, the scientific study of celestial objects such as stars, planets, etc.
Amortization	The process of paying off a debt over time through a series of regular payments
Accidentally	In an unintentional manner, often referring to events or actions that occur by chance..

Antidiabetic	Referring to a substance, treatment, or medication that helps control or manage diabetes.
Amelioration	The act of making something better, often used in the context of alleviating a problem.
Adjudication	The process of resolving a dispute or making an official judgment, in a legal context.
Acrocyanosis	A medical condition characterized by the bluish discoloration of the extremities
Accomplished	Skilled  in a particular field or activity, often suggesting a high level of achievement.
Ascertaining	The act of determining information or facts, often through investigation or inquiry.
Anagrammatic	Pertaining to anagrams, meaning words formed by rearranging the letters of another word.
Academically	In a manner related to educational or scholarly pursuits, often involving study, research, etc
Apprehension	A feeling of fear about a future event or outcome; the act of understanding a situation.
Accelerating	In the process of increasing speed, describing the action of making something move faster.
Administrate	To manage the affairs or operations of an organization, institution, or system.
Apprehensive	Feeling anxious or fearful about something that may happen in the future,
Adaptability	The quality of being able to adjust to new conditions, environments, or circumstances.
Anaplasmosis	A tick-borne disease that affects humans and animals, caused by the Anaplasma bacterium,.
Abbreviature	A condensed or shortened form of a word or phrase, often used for brevity and convenience,.
Anthropology	The scientific study of human beings, including their origins, development, and cultures.
Appendicitis	Inflammation of the appendix, a small organ located in the lower right side of the abdomen.
Accentuation	The act of giving special attention to a particular feature or aspect, often to make it stand out.
Articulation	The act of expressing ideas, thoughts, or words clearly and coherently;
Abstruseness	The quality of being difficult to understand, often used to describe something unclear.
Amalgamation	The process of combining or uniting different elements, to create a single, integrated whole.
Acculturated	Having adapted into a new culture or society, often involving the adoption of its customs.
Abandonments	The act of abandoning something, which means leaving it behind, giving it up, or deserting it.
Abbreviating	The act of shortening a word or sentence, typically by omitting certain letters or words

Abbreviators	People or things that create abbreviations by shortening words or phrases.
Abbreviatory	Relating to the act of abbreviating or shortening words or phrases.
Aberrational	Deviating from the norm or usual course; unusual or atypical.
Abhorrencies	Strong feelings of hatred or extreme disgust.
Abiotrophies	The progressive degeneration of a part of the body due to a lack of nourishment.
Abirritating	The act of irritating or annoying someone.
Abjectnesses	The state of being extremely miserable, wretched, or despicable.
Ablactations	The process of weaning an infant or young animal from breastfeeding.
Abnormalisms	The quality or state of being abnormal, deviating from the typical or expected.
Abolishments	The act of abolishing or formally ending something, such as a law or practice.
Abolitionary	Relating to the advocacy or actions aimed at abolishing a particular institution or practice.
Absorbancies	The capacity or quality of being able to absorb or soak up substances.
Abominations	Things or acts that are considered extremely offensive, loathsome, or detestable.
Aboriginally	In a manner related to the original or indigenous inhabitants of a region.
Abortionists	Individuals who perform abortions, which is the termination of a pregnancy.
Abortiveness	The quality or state of being abortive, referring to something that has failed.
Abrasiveness	The quality of being rough, harsh, or irritating to the touch or in behavior.
Abridgements	Shortened versions of written or spoken works, such as books, plays, or speeches.
Abruptnesses	The quality of being sudden, unexpected, or characterized by an abrupt or steep change.
Abscondences	The act of absconding, which means leaving hurriedly and secretly, often to avoid trouble.
Absenteeisms	The practice of being frequently absent from work or duty without a valid reason.
Absentminded	Characterized by a lack of attention or concentration, often leading to forgetfulness.
Absoluteness	The quality of being absolute, complete, or unconditional.
Absolutistic	Relating to or advocating for absolute or authoritarian rule or principles.
Absorptances	The capacity of a material to absorb and retain a substance, such as moisture or energy.
Absorptivity	The degree to which a material absorbs radiation, heat, or other substances.

Abstractness	The quality or state of being abstract, which refers to something that is theoretical.
Abstrictions	The act of withholding or abstracting, often used in a legal or financial context.
Abstrusities	The quality of being abstruse, meaning something is difficult to understand.
Absurdness	The state of being absurd, meaning something is illogical or utterly ridiculous.
Academicians	Scholars or members of an academic institution, engaged in advanced learning.
Accelerandos	In music, a tempo direction indicating a gradual increase in speed of the music.
Accelerative	Relating to acceleration, which is the act of increasing speed or velocity.
Accelerators	Devices or substances that increase the speed, rate, or intensity of a process.
Acceleratory	Having the characteristic of causing acceleration or increasing the rate of something.
Accentuating	The act of emphasizing or making something more noticeable or prominent.
Acceptancies	The state or quality of being accepting or agreeable to something.
Acceptations	Different accepted meanings or interpretations of a word or term in different contexts.
Accessioning	The process of adding something to a collection or inventory, often in a formal way.
Accessorises	The action of adding accessories to something, such as clothing or a device.
Accessorized	The state of having accessories added, often referring to fashion or personal style.
Acclamations	Loud and enthusiastic praise or approval, often expressed by a group of people.
Acclimatable	Capable of becoming acclimated or adapted to a new environment or condition.
Acclimations	The process of acclimating, or adjusting, to a new environment or climate.
Acclimatiser	A person or thing that helps others acclimate to new conditions or environments.
Accommodable	Capable of being accommodated or adjusted to fit a specific need or purpose.
Accommodated	The state of being provided with accommodations or having one’s needs met.
Accommodates	Third-person singular of “accommodate,” meaning to provide lodging, make adjustments, or meet the needs of someone or something.
Accommodator	A thing that provides accommodations, makes adjustments, or assists others.
Accompaniers	People or things that accompany or go along with others.
Accompanists	Musicians who provide instrumental or vocal accompaniment to performers.
Accompanying	Going along with or accompanying someone or something.
Accompanyist	A musician who specializes in providing accompaniment for others.
Accomplisher	A person who successfully achieves or completes tasks, goals, or objectives.

Accomplishes	Third-person singular form of “accomplish,” meaning to successfully complete a task.
Accordancies	The state or quality of being in accord or agreement with something.
Accordionist	A musician who plays the accordion, a portable wind instrument with a keyboard
Accreditable	Capable of being accredited or recognized as legitimate or reliable.
Acculturates	The act of adapting or assimilating to the culture or customs of a different group.
Accumulating	The present participle of the verb “accumulate,” which means to gather over time.
Accumulators	Devices or mechanisms used for collecting, storing, or accumulating a substance.
Accusatively	In a manner in grammar, which is used to mark the direct object of a transitive verb.
Acetaldehyde	colorless, volatile organic compound with a pungent smell, used in chemical production.
Accumulation	The action or process of accumulating or collecting things over time.
Accurateness	The action or process of accumulating or collecting things over time.
Acetanilides	Chemical compounds or derivatives of acetanilide have many industrial applications.
Accumulative	Relating to the process of accumulating or collecting over time.
Accursedness	The state of being cursed, condemned, or experiencing extreme misfortune
Accusatorial	Relating to an accusatorial legal system, where evidence is offered to refute accusations.
Acetonitrile	A colorless liquid organic compound, often used as a solvent in chemical processes.
Achievements	Accomplishments or successes that are the result of effort, skill, or perseverance.
Achromatised	To be deprived of color or rendered colorless.
Acknowledge	To admit the existence or truth of something, or to express recognition or gratitude.
Acknowledger	A person who acknowledges or recognizes something or someone.
Acknowledges	Third-person singular of “acknowledge,” indicating when someone admits something.
Acoustically	In a manner related to sound, specifically the properties of sound waves.
Acousticians	Experts or specialists in the field of acoustics, the science of sound and its behavior.
Acquiescence	The act of accepting or complying with something, often without protest or resistance.
Acquirements	The act of acquiring or gaining knowledge, skills, or possessions.
Acquisitions	The process of acquiring or obtaining something, such as assets or companies.

Acquittanced	Past tense of “acquittance,” which means to release from a debt, obligation, or charge.
Acrocentrics	Refers to chromosomes with a centromere near one end, a characteristic of many species.
Acrogenously	the formation of new plant tissues at the growing tips of stems or roots.
Acrophonetic	Relating to a writing system or script in which characters or symbols represent sounds.
Actinometric	the measurement of the intensity of radiation, in the context of the sun’s radiant energy.
Actinomorphy	The condition, where an object can be divided into similar parts around a central point.
Actinomycete	A type of bacteria that forms thread-like filaments and can cause various infections
Activenesses	The quality or state of being active, energetic, or engaged in action.
Acuminations	The process of making something sharp, or the act of acquiring knowledge or insight.
Acupressures	A therapeutic technique involving the application of pressure to specific points on the body.
Adaptational	Relating to adaptation, the process of adjusting to new conditions in the environment.
Adaptiveness	The quality of being able to adapt or adjust to different situations or environments.
Addictedness	The state of being addicted, often referring to a strong dependence on a substance.
Additionally	In addition to what has already been stated, indicating an extra or supplementary element.
Adenoviruses	A group of viruses that can cause a variety of illnesses in humans, including conjunctivitis.
Adequateness	The quality of being sufficient or suitable to meet a particular requirement or need.
Adhesiveness	The property of being adhesive, or the ability to stick or bind to other substances.
Adiaphorisms	Ethical concepts that are considered indifferent, neither morally good nor bad.
Adjectivally	In a way that pertains to adjectives or the use of adjectives in language.
Adjournments	Suspending a meeting or legal proceeding with the intention to resume it at a later time.
Adjudgements	The process of making a judgment or decision, often in a legal or authoritative context.
Adjustmental	Related to the process of making adjustments, in the context of personal development.
Administered	Past tense of “administer,” meaning to manage or give out something, such as medication.
Administrant	A person who administers or manages something, often in an official capacity.
Admirability	The quality or state of being worthy of admiration or respect.
Adventureful	An adjective that describes something as full of adventure.

Some Other Examples Of 12 Letter Words Starting With A

Academicisms	Abecedarians	Abracadabras
Absinthiated	Absolutizing	Absolutising
Acaridomatia	Abstemiously	Abstinencies
Abstractable	Abstractedly	Abstractions
Acanthaceous	Acarologists	Acarophilies
Acatalectics	Acatalepsies	Acataleptics
Acciaccatura	Acciaccature	Accipitrines
Accoucheuses	Accouplement	Accouterment
Accrescences	Accretionary	Accumbencies
Achaenocarps	Achlamydeous	Achlorhydria
Achlorhydric	Acidulations	Achromatises
Admiralships	Admonishment	Adolescences
Additivities	Acromatical	Adverbialise

Interesting Activities For Kids With 12-Letter Words Starting With A

Sometimes, you may think that it is really crucial to teach your young friends several new English words, right?

However, all of your struggles may prove to be useless if your cute companions do not know how or even where to use those words.

So, to solve this issue, one of the most useful methods is to engage them in some enticing game-like activities. Here are a few of those activities.

1. Fill In The Blanks

A very interesting and quite simple activity is widely known as fill-in-the-blanks. Through this activity, you may teach your tiny tots some useful 12 letter words that start with A.

Through this game, your little partners will not only be able to explore the new words without any difficulty but also to use them correctly. In addition to this, this kind of easy-to-enjoy word-game will be of great help for their future academics.

Examples:

All_teration

Ab_reviation

Anno_ncement

Appro_chable

Amphith_ater

1) I   2) B   3) U   4) A   5) E

2. Name Game

This is an exciting game through which you can show your little children some notable 12 letter words starting with letter A, as well as show them how to use those words. In this game, you have to say or ask something and your little kid will give the answer.

You can even try this name game the other way around. In that case, your little partner will ask the question and you will have to give the answer. Hence, through this, you can teach your tiny tots some new 12 letter words that start with A.

Examples:

Q: What is the process of mentally integrating new experiences or information with existing knowledge, often leading to an improved understanding?

Ans: Apperception

Q: What do we call the art and science of designing and constructing buildings and other structures, often considering both aesthetic and functional aspects?

Ans: Architecture

Q: What would you call a large, open-air venue with tiered seating, often used for performances, concerts, sports events, or other public gatherings?

Ans: Amphitheater

Q: What would you call the process of resolving a dispute or making an official judgment or decision, often in a legal or formal context?

Ans: Adjudication

Q: What would you call the process of combining or uniting different elements, often to create a single, integrated whole?

Ans: Amalgamation

3. Match The Words With Meanings

Another popular game is matching activity, which can help your little partners to explore some new English words with ease. Through this activity, your tiny tot will understand the ideas of the same and different. To enjoy this game, you will need just two sets of attractive cards.

One set will have some exciting pictures, while the other will come with some new 12 letter words that start with the letter A, such as academically, accentuation, abstruseness, acculturated, antidiabetic, and many more.

Then, you have to tell your young partners how to read those cards and the accurate method to match them with the correct words.

Moreover, you have to show your tiny tots how to perform the matching thing and allow them to follow the steps already shown by you.

Conclusion

Thus, these are some very useful learning activities to teach your tiny tots some vital and new 12 letter words starting with the letter A. For some other exciting learning ideas, just follow us.

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