Synonyms and Antonyms of lose one's cool
to become very angry
- He lost his cool when he couldn't beat the game.
anger, fulminate, rage, rant, rave, snap, snarl, sputter, storm, tee off, vent, vituperate
bristle, burn, foam, fume, glare, glower, seethe, sizzle, smolder (or smoulder), steam, warm
burst, explode, flare (out), flash, inflame (also enflame), madden
blow a gasket, blow one's cool, blow one's stack, blow one's top, fly into a rage, fly off the handle, forget oneself, go ballistic, have a fit, hit the ceiling, hit the roof, lose one's temper