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