flying

1 acting or done with excessive or careless speed a flying attempt at finishing the work Synonyms cursory, drive-by, hasty, gadarene, headlong, helter-skelter, hurried, overhasty, pell-mell, precipitate, precipitous, rash, rushedRelated Words breakneck, breathtaking; headstrong, heady, hotheaded, impatient, impetuous, impulsive, madcap, reckless, unadvised; quick, rapid, speedy, swift; horseback, impromptu, makeshift, offhand, offhanded, off-the-cuff, rush, slapdash, snap, spontaneous, spur-of-the-moment; abrupt, suddenNear Antonyms calculated, calculating, measured; circumspect, foresighted, forethoughtful; drawn-out, extended, long-term, prolonged; faltering, hesitant, hesitating, tentative; dallying, dawdling, laggard, leisurely, poky (or pokey), shilly-shallying, slowAntonyms deliberate, unhurried, unrushed

2 moving, proceeding, or acting with great speed that car was flying as it careened down the streets Synonyms blistering, breakneck, breathless, brisk, dizzy, fleet, fleet-footed, fast, galloping, hasty, hot, lightning, nippy, quick, rapid, rapid-fire, rattling, snappy, speedy, splitting, swift, whirlwind, zippyRelated Words expeditious, prompt, ready; accelerated, hastened, hurried, quickened, rushed; breathtaking; energetic, strenuous, strong, vigorous; high-speed; rush; ultrafast, ultrarapidNear Antonyms crawling, dallying, dawdling, dillydallying, dragging, laggard, languid, lingering, plodding, poking, poky (or pokey), slowish, sluggish, unhurried; deliberate, leisurely, measured; dilatory, late, tardy; ultraslowAntonyms slow