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Reading: Long Words That Start With A – Complete 182 Words List
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Englishan > Vocabulary > Words List > Long Words > Long Words That Start With A – Complete 182 Words List
Long Words

Long Words That Start With A – Complete 182 Words List

Aqsa Ali
By
Aqsa Ali
Last updated: January 12, 2026
8 Min Read
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Some English words have many syllables and start with A. Long words that start with a include abstemious, anthropological, and accreditation used in studies and daily talk.

In This Page
  • List of Long Words That Start With A
  • Ten Letter Words Beginning With A
  • Twelve Letter Words Starting With A
  • Fifteen Letter Words That Begin With A
  • Very Long Words That Start With A
  • Long Words Beginning With Aa
  • Long Words Starting With Ab
  • Long Words Beginning With Ac
  • Long Words Starting With Ad
  • Long Words That Start With A and End In E
  • Long Words Beginning With A and Ending In N
  • Long Words Starting With A and Ending In S
  • Long Words With Double A
  • Long Words With Vowels After A
  • Words That Start With A Long A Sound
  • Common Long Words Starting With A
  • Rare Long Words That Begin With A
  • FAQs About Long Words That Start With A
  • Related Lists for Long Words That Start With A
    • You May Also Like
    • Keep Reading

Learning their meanings and pronunciation will help readers strengthen long words that start with a and grow vocabulary and reading skills.

List of Long Words That Start With A

  • Aardvark
  • Aardwolf
  • Aasvogel
  • Aadhaar
  • Abacavir
  • Acanthaceae
  • Alabastered
  • Amalgamation
  • Anaesthesia
  • Antananarivo
  • Antiestablishmentarian
  • Archaeologically
  • Autobiographically
  • Authoritarianism
  • Anthropomorphically
  • Alphanumericality
  • Adventurouslyness
  • Anticlimactically
  • Acknowledgmentwise
  • Actualizationism
  • Acalculous
  • Abactinal
  • Abalienate
  • Abarticular
  • Abecedarian
  • Abietaceous
  • Abintestate
  • Abligurition
  • Abomasitis
  • Aboulomania
Long words that start with A
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Ten Letter Words Beginning With A

  • Aberrantly
  • Abhorrence
  • Abidements
  • Abjuration
  • Abnegation
  • Abolishment
  • Absorption
  • Abstainers
  • Abutments
  • Acceleration

Twelve Letter Words Starting With A

  • Accelerations
  • Accommodative
  • Accountability
  • Accumulations
  • Administrable
  • Adventurously
  • Advertisement
  • Agglomeration
  • Aggrandizement
  • Alkalinization

Fifteen Letter Words That Begin With A

  • Anthropological
  • Antidisestablish
  • Autobiographical
  • Acknowledgemental
  • Anticonstitutional
  • Agriculturalists
  • Aerodynamically
  • Administrativeist
  • Astrophysicality
  • Approximationists

Very Long Words That Start With A

  • Antiestablishmentarian: A person who opposes established institutions or authority.
    • The politician was known as an antiestablishmentarian during debates.
  • Archaeologically: In a manner related to archaeology or the study of ancient cultures.
    • The site was excavated archaeologically over several years.
  • Autobiographically: In a way that relates to one’s own life story.
    • The author wrote autobiographically about her travels across Europe.
  • Authoritarianism: Favoring strict obedience to authority over personal freedom.
    • The government was criticized for its authoritarianism policies.
  • Anthropomorphically: Attributing human characteristics or behavior to non-human entities.
    • The story described the animals anthropomorphically, giving them human speech.
  • Alphanumericality: The quality of containing both letters and numbers.
    • The password must include alphanumericality for security purposes.
  • Adventurouslyness: The quality of being willing to take risks or seek adventure.
    • His adventurouslyness led him to travel to remote places.
  • Anticlimactically: In a disappointing or less dramatic way than expected.
    • The play ended anticlimactically after hours of suspense.
  • Acknowledgmentwise: Concerning acknowledgments or recognition.
    • The report was thorough acknowledgmentwise, listing all contributors.
  • Actualizationism: The belief in realizing potential or making ideas real.
    • His philosophy focused on actualizationism to achieve personal growth.

Long Words Beginning With Aa

  • Aardvarklike
  • Aasvogelbird
  • Aardwolfish

Long Words Starting With Ab

  • Abandonments
  • Abbreviations
  • Abdications
  • Aberrations
  • Abominations
  • Abnegations
  • Abolishments
  • Absenteeship
  • Abstractions
  • Abutments

Long Words Beginning With Ac

  • Accelerations
  • Acceptability
  • Accommodating
  • Accomplishments
  • Accumulation
  • Accusatorial
  • Accreditation
  • Actuarialness
  • Activationist
  • Adaptability

Long Words Starting With Ad

  • Adaptiveness
  • Addictiveness
  • Adjudicatory
  • Administration
  • Advertisement
  • Adventurously
  • Adversariness
  • Advisability
  • Adjudgement
  • Admonishments

Long Words That Start With A and End In E

  • Abnegate
  • Accelerate
  • Advocate
  • Adjudicate
  • Aggravate
  • Alienate
  • Appreciate
  • Authenticate
  • Annotate
  • Affectionate

Long Words Beginning With A and Ending In N

  • Abbreviation
  • Aberration
  • Abduction
  • Abjuration
  • Abomination
  • Absorption
  • Abstention
  • Acceleration
  • Administration
  • Admonition

Long Words Starting With A and Ending In S

  • Abstractions
  • Accumulations
  • Adjustments
  • Advertisements
  • Affiliations
  • Agglomerations
  • Alleviations
  • Alterations
  • Annihilations
  • Appointments

Long Words With Double A

  • Aardvark: A nocturnal African mammal that eats ants and termites.
    • The aardvark used its long tongue to catch insects in the night.
  • Aasvogel: A type of vulture found in southern Africa.
    • The aasvogel soared high above the open plains searching for food.
  • Aardwolf: A small, nocturnal African animal related to hyenas that feeds on termites.
    • The aardwolf hunts termites quietly in the dry grasslands.
  • Aadhaar: A unique identification number issued to residents of India.
    • Every citizen must carry their Aadhaar card for official purposes.
  • Abacavir: A medicine used to treat HIV infection.
    • The doctor prescribed abacavir to manage the patient’s condition.
  • Acanthaceae: A family of flowering plants, commonly called the acanthus family.
    • Many tropical gardens grow plants from the Acanthaceae family.
  • Alabastered: Made of or resembling smooth, white stone like alabaster.
    • The statue was beautifully alabastered, shining in the sunlight.
  • Amalgamation: The process of combining or uniting multiple things into one.
    • The amalgamation of the two companies created a stronger business.
  • Anaesthesia: Loss of sensation or consciousness, usually for surgery.
    • The patient was given anaesthesia before the operation began.
  • Antananarivo: The capital city of Madagascar.
    • Antananarivo is known for its vibrant markets and hilly streets.

Long Words With Vowels After A

  • Abstemious
  • Abominable
  • Academician
  • Accelerated
  • Acceleration
  • Abolishment
  • Adaptations
  • Adventurous
  • Abrogation
  • Alleviation

Words That Start With A Long A Sound

  • Able
  • Acorn
  • Aim
  • Ache
  • Aisle
  • Album
  • Alien
  • Acme
  • Amazing
  • Afloat

Common Long Words Starting With A

  • Abbreviations
  • Absorption
  • Abstention
  • Acceleration
  • Administration
  • Advertisement
  • Agglomeration
  • Alleviation
  • Alteration
  • Appreciation

Rare Long Words That Begin With A

  • Acalculous: Without stones, usually in the bladder or gallbladder.
    • The doctor diagnosed the patient as acalculous after the tests.
  • Abactinal: Opposite the mouth, especially referring to the upper surface of certain animals like starfish.
    • The starfish’s abactinal side faced upward on the sand.
  • Abalienate: To transfer property or rights to another person.
    • The owner decided to abalienate the land legally.
  • Abarticular: Not connected with a joint.
    • The bone fragment was abarticular and required careful handling.
  • Abecedarian: Related to the alphabet or a beginner in learning something.
    • She practiced abecedarian exercises to improve her spelling skills.
  • Abietaceous: Resembling or related to fir trees; resinous.
    • The forest smelled strongly of abietaceous pine sap.
  • Abintestate: Dying without having made a legal will.
    • He died abintestate, and his estate went to the state.
  • Abligurition: Spending money extravagantly on fine food.
    • The king’s abligurition at banquets impressed his guests.
  • Abomasitis: Inflammation of the abomasum, the fourth stomach of ruminants.
    • The vet treated the cow suffering from abomasitis.
  • Aboulomania: A mental disorder marked by extreme indecisiveness.
    • Her aboulomania made even simple decisions very difficult.

FAQs About Long Words That Start With A

What is a long word that starts with A?

A long word that starts with A is any word beginning with the letter A and has more than 7 letters, like Authoritarianism.

How can I use long words that start with A?

You can use them in writing or reading exercises to expand vocabulary and understand sentence structure.

Are all long words starting with A difficult?

Not always; some words like Aardvark are simple, while others like Antiestablishmentarian are advanced.

Can long words that start with A help in English learning?

Yes, they improve vocabulary, comprehension, and ability to recognize word patterns.

Related Lists for Long Words That Start With A

Compare your long A-words with shorter lengths and helpful descriptive sets.

You May Also Like

7 Letter Words That Start With A
6 Letter Words That Start With A
5 Letter Words That Start With A
4 Letter Words That Start With A

Keep Reading

Words That Start With A
Adjectives Starting With A
Descriptive Words That Start With A
Cool Words That Start With A
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Aqsa Ali
ByAqsa Ali
Follow:
Aqsa Ali is a content writer at Englishan.com with a BS in English from the University of Agriculture Faisalabad (UAF). She has also completed the IELTS Academic exam with an 8 band score, reflecting strong command of academic English. Since 2022, she has written vocabulary-focused blog posts that simplify complex terms and explain word meanings step by step. Aqsa is especially known for using visuals and illustrations that make vocabulary easier to remember—her image-based lessons are regularly praised by learners for being clear, memorable, and engaging.
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