- amenability
- alphabetize
- at bottom
- about to happen
- ad rem
- all fingers and thumbs
- acquit oneself of
- a laugh killing
- a fine kettle of fish
- asthenia
- a shake-down
- a doddle
- a pushover
- a word
- at a rate of knots
- a bit thick
- amazed thunderstruck
- above one's head
- a doodle
- at the end of the day
- abruptness
- a speck of
- ageist
- auctioneer
- arty
- as dead as a doornail
- and fishin'
- aristos
- accede to
- a pat on the back
- assort
- at a loss for words
- as sure as eggs is eggs
- a breeze
- a card
- ad
- a smidgen of
- a chip on one's shoulder
- airnheaded
- a gogo
- as pleased as Punch
- as right as rain
- abundant in
- accessories
- abnegate
- a caution
- a nonesuch
- as thin as a reed
- apartheid
- a tad of
- asleep on the job
- as best one can
- as soon as possible. a.s.a.p
- argute
- as happy as Larry
- as soon as possible
- arch. outrival
- a dead loss
- approved school
- all hell broken loose
- a load of pants
- accessibility
- as fit as a fiddle
- ardency
- a blue funk
- afeared
- a snap
- as poor as a church mouse
- as plain as pickestaff
- a.s.a.p
- a bit off
- ackers
- away with the fairies
- asthenic
- arh pursy
- acerb
- as fit as a flea
- assumptive
- a doss
- a barrel of laughs
- as cross as two sticks
- as plain as day
- affrighted
- as pure as the driven snow
- a snip
- almsgiving
- asperse
- a dime a dozen
- advert
- as hard as stone
- a pile
- all Greek to some
- a bludge
- as clear as day
- Al
- a snack
- adamantine
- as plain as a pike-staff
- an abundance of
- a swag