fast

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

Antonyms: plodding slow tardy unhurried

Synonyms: adherent ardent attached close constant constrained durable faithful fastened firm fortified glued held impregnable indelible inextricable lasting loyal permanent resistant resolute secure set sound stable staunch steadfast stuck sure tenacious tight true true blue unwavering wedged

Antonyms: flexible impermanent insecure loose movable unattached unfixed

Synonyms: bawdy careless debauched depraved devil-may-care dissipated dissolute easy extravagant flirtatious frivolous gadabout giddy incontinent indecent intemperate lascivious lecherous lewd libertine libidinous licentious light loose lustful profligate rakish reckless salacious self-gratifying self-indulgent sportive sporty unchaste wanton wild

Antonyms: good moral upright

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

Synonyms: deeply firm firmly hard securely solidly soundly steadfastly tight tightly

Antonyms: loosely unfixedly

Synonyms: abstinence diet fasting xerophagy

Antonyms: eating feast gluttony gorging stuffing

Synonyms: abstain deny oneself diet famish forbear go hungry not eat refrain starve

Antonyms: eat glut gorge stuff