lose their cool

== English == === Pronunciation === IPA(key): /ˈluːz wʌnz ˈkuːl/ === Verb === lose one's cool (third-person singular simple present loses one's cool, present participle losing one's cool, simple past and past participle lost one's cool) (idiomatic) To become upset or disconcerted; to lose one's temper. Synonyms: blow one's cool, blow one's top, drop one's bundle, go ape, go apeshit, hit the roof, hit the ceiling, lose it, lose one's temper, lose one's rag Antonym: keep one's cool ==== Translations ==== === Further reading === “lose one's cool”, in OneLook Dictionary Search.