Main entry: retard, slow, slow down, slow up, decelerate
Definition: lose velocity; move more slowly
Usage: The car decelerated
Antonyms: speed, speed up, accelerate, quicken
Definition: move faster
Main entry: slow
Definition: not moving quickly; taking a comparatively long time
Usage: a slow walker; the slow lane of traffic; her steps were slow; he was slow in reacting to the news; slow but steady growth
Antonyms: fast
Definition: acting or moving or capable of acting or moving quickly
Main entry: slow
Definition: at a slow tempo
Usage: the band played a slow waltz
Antonyms: fast
Definition: at a rapid tempo
Main entry: slow
Definition: (used of timepieces) indicating a time earlier than the correct time
Usage: the clock is slow
Antonyms: fast
Definition: (used of timepieces) indicating a time ahead of or later than the correct time
Main entry: dim, dense, dull, dumb, obtuse, slow
Definition: slow to learn or understand; lacking intellectual acuity
Usage: so dense he never understands anything I say to him; never met anyone quite so dim; although dull at classical learning, at mathematics he was uncommonly quick- Thackeray; dumb officials make some really dumb decisions; he was either normally stupid or being deliberately obtuse; worked with the slow students
Antonyms: smart
Definition: showing mental alertness and calculation and resourcefulness
Main entry: dull, slow, sluggish
Definition: (of business) not active or brisk
Usage: business is dull (or slow); a sluggish market
Antonyms: active
Definition: characterized by energetic activity
Antonyms: active
Definition: engaged in full-time work
Antonyms: active
Definition: full of activity or engaged in continuous activity
Antonyms: active
Definition: tending to become more severe or wider in scope
Antonyms: active
Definition: exerting influence or producing a change or effect
Main entry: tiresome, tedious, irksome, boring, ho-hum, slow, dull, deadening, wearisome
Definition: so lacking in interest as to cause mental weariness
Usage: a boring evening with uninteresting people; the deadening effect of some routine tasks; a dull play; his competent but dull performance; a ho-hum speaker who couldn't capture their attention; what an irksome task the writing of long letters is- Edmund Burke; tedious days on the train; the tiresome chirping of a cricket- Mark Twain; other people's dreams are dreadfully wearisome
Antonyms: interesting
Definition: arousing or holding the attention
Main entry: easy, tardily, slow, slowly
Definition: without speed (`slow' is sometimes used informally for `slowly')
Usage: he spoke slowly; go easy here--the road is slippery; glaciers move tardily; please go slow so I can see the sights