lighten up - definition in the American English Dictionary - Cambridge Dictionaries Online

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English definition of “lighten up”

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lighten up

phrasal verb with lighten  us   /ˈlɑɪ·tən/ verb [T]

(MAKE NOT SERIOUS)

stop being so serious: Why don’t you just relax and enjoy yourself? Lighten up!
Translations of “lighten up”
in Korean 기운 내…
in Arabic يَبْتَهِج…
in Portuguese alegrar-se…
in Catalan alegrar-se, animar-se…
in Japanese 元気づける, 元気になる…
in Italian rilassarsi…
in Chinese (Traditional) 放鬆,緩和…
in Russian успокаиваться, расслабляться…
in Turkish hafiflemek, rahatlamak, daha az ciddi hâle gelmek…
in Chinese (Simplified) 放松,缓和…
in Polish rozchmurzyć się…
(Definition of lighten up from the Cambridge Academic Content Dictionary © Cambridge University Press)
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