- a put-on
- amassing
- as likely as not
- amazingly
- autotype
- auto-da-fe
- add fuel to the fire
- attach to
- a Roland for an Oliver
- argy-bargy
- a twist of fate
- as bold as brass
- adopt the style of
- aculeate
- anima
- a spanner in the works
- amendment
- a horde of
- averment
- additions
- arguments
- apprised
- a hint of
- all of a tremble
- anti-feminist
- at a crisis
- a bit on the side
- arm and a leg
- avouch
- auspice
- anterior to
- asseveration
- at the core of
- at the end of one's tether
- a slew of
- a bind
- a taste of someone's own medicine
- arousing
- a stone's throw away from
- admix
- antithetical to
- any day now
- a break
- aggravating
- a stew
- a mixed bag of
- able to eat a horse
- attuned
- agin
- a good idea
- aye
- aping
- amused
- as if to wake the dead
- abbrevi-ate
- across the board
- affiction
- annex to
- appetency
- asseverate
- argue for
- acreage
- as clean as a whistle
- acerbic vitriolic
- a bold as brass
- act the goat
- a tad
- a great many
- abide in
- a suspicion of
- a stack
- a piece of cake
- adroitness adeptness
- ache for
- ad interim
- ask me another
- ally oneself with
- armed robber
- albatross
- approaching
- as thick as thieves
- able to talk the hind legs off a donkey
- a multitude of
- airway
- and all
- a ton
- a multiplicity of
- an additional amount
- a large number
- a dribble of
- a cold sweat
- as busy as a bee
- abandon one's principles
- arouse one's curiosity
- Achilles heel
- aggravated
- at close quarters
- arraign tell off
- ambrosial
- auster