- Adp
- Airily
- 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 man of few words
- A man of mark
- A matter of fact
- A matter of life and death
- A measure of
- A milk-n-honey drink
- A narrow escape
- A nasty one
- A near death experience
- A needle in a haystack
- A penny for your thoughts
- A pep talk
- A stay of some length
- A sweet-meat
- A tight fit
- A variety of aloe-wood
- A vaunt
- A wandering jew
- A web of lies
- A white lie
- A word of honour
- A word used in the opening of a book to denote auspiciousness
- A yoga pose
- A.m.
- Aadb
- Ab
- Abacinate
- 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
- Absently
- Absolute
- Aqiqah
- Absorb in
- Absorbed
- Absorbent
- Absorbing
- Abstract art
- Abstractedness
- Accent
- 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
- Acuity
- Acute
- Acute angle
- Acutely