Pocket Thesaurus
Antonyms of fast
rapid, agile, brisk, nimble, hot, quick, swift, fleeting, electric, flying, hurried, ready, accelerated, dashing, snap, fleet, racing, active, breakneck, expeditious, hasty, on the double, posthaste, presto, pronto, snappy, winged, flashing, PDQ, blue streak, chop-chop, double-time, expeditive, hairtrigger, hypersonic, in a jiffy, in nothing flat, lickety split, like a bat out of hell, like all get out, like crazy, like mad, speedball, supersonic, velocious, screamin'
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