- A narrow escape
- A nasty one
- A near death experience
- A needle in a haystack
- A penny for your thoughts
- A pep talk
- 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
- 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
- Addiction
- Additive
- Address
- Address book
- Address proof
- Adenoidal
- Adequate
- Admit
- Admittance
- Admitting defeat
- Admonition
- Admonitory
- Adon
- Adonis
- Adopted son
- Adoptionism
- Advert
- Advisable
- Advise
- Advisedly
- Advisor
- Advocating anothers cause
- Adz
- Affecting horses
- Affective
- Afferent
- Affiance
- Affiliation
- Affinity
- Affirm
- Affirming
- Afflict
- Affliction
- Affluent
- Afford to
- Affray
- Again and again
- Against ones wishes
- Against the clock
- Agape