- Agoraphobic
- Avoirdupois
- Amaranthus
- Antiquary
- Auctor
- A disciple who lodges with his preceptor
- A divine ministrel
- A dogs life
- A dry
- A false alarm
- A fiche
- A fish
- A floating voter
- A form of verse in which each line contains eight letters
- A golden parachute
- A good innings
- A good thing
- A grain of paddy
- A hollow laugh
- A host in himself
- A jam session
- A kings ransom
- A lack all
- A laughing stock
- A lazy susan
- A little water
- A plant with sweet-scented roots
- A plum job
- A pretty kettle of fish
- A pretty penny
- A quixotic project
- A variety of sida
- A safe pair of hands
- A sea of
- A shot in the arm
- A shot in the locker
- A signal achievement
- A sorry sight
- Abetter
- Abeyance
- Abhishekam
- Abhorrent
- Ability
- Abiogenisis
- Abjection
- Ablactation
- Ableism
- Abnegation
- Above-mentioned
- Abrakadabra
- Abruptly
- Abscessed
- Abscond from
- Absconder
- Absent-mindedness
- Abstruse
- Absurbed notion
- Absurdist
- Abulia
- Abundance
- Abusing
- Abusive word
- Abusrdity
- Abut
- Abysm
- Academic
- Accede to
- Accomplice
- Accompliser
- Accomplishment
- Accordance
- Accordion
- Accost
- Acquainted jobs
- Acquatic
- Acquired immunodeficiency syndrome
- Acquirer
- Acquisition
- Acquittance roll
- Acrid taste
- Acridness
- Acrimony
- Acrobat
- Acronym
- Acrophobia
- Acrostic
- Acrylic
- Act
- Act a lie
- Act of god
- Acuity
- Acute
- Acute angle
- Acutely
- Ad hominem
- Ad rem
- Ada
- Adage
- Adam
- Adamant