- act for
- almsgiver
- as far as one can see
- accidie
- as busy as a bee
- abandon one's principles
- as plain as a pikestaff
- accolades
- arraign tell off
- amateurishly
- and all
- aye aye
- apropos of
- any moment now
- a cold sweat
- arouse one's curiosity
- agley
- at close quarters
- assist be of assistance to
- a pickle
- a scrape
- as plain as the nose on your face
- a rip-off
- a muddle
- anti-Semitism
- as sound as a bell
- astronomic
- aforethought
- absent oneself from
- alky
- a ball
- AWOL
- argufy
- amok
- abide it
- a considerable number
- abused
- administrate
- amigo
- an additional number
- a bundle of nerves
- anorexic
- a splash of
- all over the map
- as clear as mud
- a hoot
- a cakewalk
- airheaded
- a.s.s.p
- a mess
- area of expertise
- attached to
- age spot
- all ears
- an addition
- allaying
- an arm and a leg
- a.s.a.p. as soon as possible
- auditioner
- as sharp as a tack
- amate-urrish
- adulate
- a wealth of
- advantageousness
- acting-up
- acting up
- approachability
- a cinch
- at the speed of light
- as plain as the nose on one's face
- arch-
- a pinch of
- arful
- acclivitous
- as near as dammit
- a goose egg
- acclimate
- anatomize
- a sprinkling of
- a shambles
- anti-Semitic
- altercate
- a scream
- as white as a sheet
- a load
- a clinch
- a murmur
- agreed
- all-year-round
- ageism
- a pretty kettle of fish
- apple-polishing
- abounding in
- almost always
- about to happen
- at nay rate
- and collected
- an increase
- apodictic
- at bottom