• a slam dunk Am.
• a slice of the cake
• a slight hope
• a slight variance of opinion
• a slug of whisky
• a smack in the eye
• a smooth customer
• a snappy come-back
• a snatch of music
• a snowball's chance fig.
• a solid hour
• a sop in the pan
• a sort of pasta
• a spot of Br.
• a square deal
• a steady hand
• a steady rise in prices
• a step towards
• a story for reflection
• a straight answer to a straight question
• a straight choice
• a strange coincidence
• a strange old bird
• a string of cars
• a stroke of good fortune
• a strong language
• a sure-fire method
• a sympathetic ear
• a tactile fabric
• a tad
• a tad big
• a tad small
• a tale of woe
• a tempest in a teapot fig.
• a ten a penny Br.
• a textbook example
• a third party
• a thousand and one
• a thousand million
• a thousand things
• a thousand times
• a thrusting politician
• a time
• a tiny hole
• a tough act to follow
• a tough job
• a tragic occurrence
• a tricky subject fig.
• a trifle bemused
• a trifle too ...
• a trouble area
• a trouble spot
• a turn for the better
• a two-story building
• a vision in white
• a waft of cool air
• a warped mind
• a well match
• a well thumbed book
• a wet day
• a while
• a whole string of examples
• a wide difference
• a wide range of
• a wise saying
• a woman
• a word in your ear
• a writer of distinction
• a year ago
• a year's subscription
• a yen for coll.
• a-posteriori probability
• a-priori probability
• a-wheel blade
• a.c. power controller
• a.m.
• a/m : above mentioned
• a/o : account of
• a/s/l? : Age, sex, location?
• aardvark
• aardvarks
• aback
• abacus
• abaft
• abalone
• abandoned
• abandonee
• abandoner
• abandoning
• abandonment
• abandonment of action
• abandonment of an action
• abandonment of domicile
• abandonment of option
• abandonment of position
• abandonment of service
• abandonment stage
• abandons
• abased
• abasement