breathless

1 lacking fresh air the room was hot and breathless Synonyms stuffy, close, stifling, suffocatingRelated Words airless, unventilated; fuggy; heavy, oppressive, thickNear Antonyms bracing, brisk, invigorating, refreshed, refreshing, restorative, reviving, sweet; ventilatedAntonyms airy, breezy, unstuffy

2 moving, proceeding, or acting with great speed ran at a breathless pace to get help Synonyms blistering, breakneck, fast, brisk, dizzy, fleet, fleet-footed, flying, 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

3 no longer living carried the breathless body of his beloved dog back home Synonyms asleep, dead, cold, deceased, defunct, demised, departed, fallen, gone, late, lifeless, lowRelated Words extinct; dying, fading, moribund; stillborn; finished, lapsed, terminated; inanimate, insensate, nonlivingNear Antonyms animated; dynamic, lively, thriving, vibrant, vital, vivacious; active, functioning, operative, runningAntonyms alive, animate, breathing, going, live, living, quick