- A nervous wreck
- A one parent family
- A page in history
- A patent lie
- A standing joke
- A suicide pact
- A tall story
- A touch of the tar brush
- A walking encyclopaedia
- A warrior who drives the chariot and fights at the same time
- A.d
- Aaai
- Abaca
- Aback
- Abet
- Abettoir
- Abhor
- Abide by
- Ability to understand
- Abiotic
- Abjuration
- Able
- Able-bodied
- Ably
- Abrachia
- Abraham
- Abrasive
- Abridgement
- Abroad
- Abrogate
- Abrogation
- abrus precatorius
- Abscess
- Abscission
- Absurdly
- Abundant
- Abuse
- Abusive
- Abyss
- Abyssal
- Acacia adoratissima
- Acacia intsia
- Academia
- Academy
- Acarpous
- Accede
- Accelerate
- Accelerator
- Accretion
- Accrue
- Accumulate
- Accumulating
- Accurate
- Accurately
- Accusal
- Accusation
- Accused man
- Accustomed
- Accustomed to
- Ace
- Aceldama
- Acerbate
- Acerbity
- Acetate
- Acquainted
- Acquiescence
- Acquiescent
- Acquire
- Acquired
- Acquired taste
- Acquit oneself well
- Acquitted
- Acreage
- Acrochordon
- Add to
- Addenda
- Additionally
- Address size
- Adenoids
- Adept
- Adequacy
- Administratively
- Administrator
- Admirably
- Admiralty
- Admire for
- Admired
- Admissible
- Admittedly
- Admix
- Admonish
- Adolescence
- Adopted
- Adorable
- Adoration
- Adventurer
- Adventures
- Adventurous
- Adversarial
- Adversity