- Agoraphobic
- Avoirdupois
- A bad pill to swallow
- A bed of roses
- A bird in hand is worth two in the bush
- A bit much
- A blood relative
- A cardinal error
- A dead duck
- A dead luck
- A dear john letter
- 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 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
- Abaddon
- Abandoned
- Abandoned woman
- Abandonment
- Abased
- Abashed
- Abba
- Abbreviation
- Abbreviator
- Aberrant
- Abnormally
- Abode assylum
- Abolishment
- Abolitionism
- Abolitionist
- Abominable snowman
- Abomination
- Aboriginal
- Abreaction
- Abortive
- Abounding in waves
- About-face
- About-turn
- Above
- Above ones head
- Above ones reach
- Abstruse
- Absurbed notion
- Absurdist
- Abulia
- Abundance
- Abusing
- Abusive word
- Abusrdity
- Abut
- Abysm
- Academic
- Accede to
- Accomplice
- Accompliser
- Accomplishment
- Accordance
- Accordion
- Accost
- Achaean
- Achieve
- Achieving
- Acicular
- Acid
- Acidic
- Acidulate
- Acquaint
- Act the fool
- Active programme
- Activism
- Activity
- Actor
- Acts of god
- Add lustre to
- Add time
- Add up to
- Addable
- Added
- Addendum
- Adder
- Addicted to