slow

Synonyms: apathetic crawling creeping dawdling delaying deliberate dilatory disinclined dreamy drowsy easy gradual heavy idle imperceptible inactive indolent inert lackadaisical laggard lagging leaden leisurely lethargic listless loitering measured moderate negligent passive phlegmatic plodding ponderous postponing procrastinating quiet reluctant remiss slack sleepy slothful slow-moving sluggish snaillike stagnant supine tardy torpid tortoiselike

Antonyms: active busy fast hurried quick rapid

Synonyms: backward behindhand belated conservative dead delayed detained dilatory down draggy dull gradual hindered impeded inactive lingering long-delayed long-drawn-out low moderate off overdue prolonged protracted reduced slack sleepy sluggish stagnant stiff tame tardy tedious time-consuming uneventful unproductive unprogressive unpunctual

Antonyms: on cue on time ready waiting

Synonyms: backward dense dim dimwitted dull dumb dunce imbecile limited moronic obtuse simple slow on the uptake stupid thick unresponsive

Antonyms: cognizant intelligent smart

Synonyms: abate anchor it backwater bog down brake check choke curb curtail cut back cut down decelerate decrease detain diminish ease off ease up embog handicap hinder hit the brakes hold back hold up impede keep waiting lag lessen let down flaps loiter lose speed lose steam mire moderate postpone procrastinate qualify quiet reduce reduce speed reef regulate rein in relax retard retardate set back slacken stall stunt temper wind down

Antonyms: advance forward push