- fast
- I
1. adjective
1)
a fast pace
Syn:speedy, quick, swift, rapid; fast-moving, fast-paced, high-speed, turbo, sporty; accelerated, express, blistering, breakneck, pell-mell; hasty, hurried; informal nippy, zippy, blinding, supersonic; literary fleetAnt:slow2)he held the door fast
Syn:secure, fastened, tight, firm, closed, shut; immovable, unbudgeableAnt:loose3)a fast color
Syn:indelible, lasting, permanent, stableAnt:temporary4)fast friends
Syn:loyal, devoted, faithful, firm, steadfast, staunch, true, bosom, inseparable; constant, enduring, unswerving5)a fast woman
Syn:promiscuous, licentious, dissolute, debauched, impure, unchaste, wanton, abandoned, of easy virtue; sluttish, whorish; intemperate, immoderate, shameless, sinful, immoral; informal easy; dated looseAnt:chaste2. adverb1)she drove fast
Syn:quickly, rapidly, swiftly, speedily, briskly, at speed, at full tilt; hastily, hurriedly, in a hurry, posthaste, pell-mell; like a shot, like a flash, on the double, at the speed of light; informal lickety-split, PDQ (pretty damn quick), nippily, like (greased) lightning, hell-bent for leather, like mad, like the wind, like a bat out of hell; literary apaceAnt:slowly2)his wheels were stuck fast
Syn:securely, firmly, immovably, fixedly3)he's fast asleep
Syn:deeply, sound, completely4)she lived fast and dangerously
Syn:wildly, dissolutely, intemperately, immoderately, recklessly, self-indulgently, extravagantlyII 1. verbwe must fast and pray
Syn:eat nothing, abstain from food, refrain from eating, go without food, go hungry, starve oneself; go on a hunger strikeAnt:eat2. nouna five-day fast
Syn:period of fasting, period of abstinence; hunger strike; dietAnt:feast
Thesaurus of popular words. 2014.