| Main Entry: | fast |
| Part of Speech: | adverb |
| Definition: | speedily |
Synonyms: |
apace, chop-chop, expeditiously, flat-out, fleetly, full tilt, hastily, hurriedly, in a flash, in haste, in nothing flat, in short order, like a flash, like a shot, like greased lightning, like wildfire, posthaste, presto, promptly, pronto, quick, quickly, rapidly, soon, swift, swiftly |
Antonyms: |
slow, slowly |
| Main Entry: | on the double |
| Part of Speech: | adverb |
| Definition: | very quickly |
Synonyms: |
chop chop, chop-chop, double-time, expeditiously, fast, flat-out, fleetly, full tilt, hastily, hurried, hurriedly, in a flash, in double time, in haste, in high gear, lickety-split, lickety-split, like a shot, like greased lightning, like wildfire, promptly, pronto, quick, quickly, rapidly, snappily, speedily, swift, swiftly |