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