Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “lighten up”

See all translations

lighten up

informal
verb uk phrasal verb with lighten   /ˈlaɪ.tən/ us    /-t̬ən/
to become more relaxed and less serious: Oh, lighten up! I was only joking! I wish she'd just 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 Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of lighten up?
Add Cambridge dictionaries to your browser to your website

Definitions of “lighten up” in other dictionaries

Word of the Day

past participle

the form of a verb, usually made by adding -ed, used in some grammatical structures such as the passive and the present perfect

Word of the Day

Euphemisms (Words used to Avoid Offending People)

by Kate Woodford,
March 04, 2015
​​​ We recently looked at the language that we use to describe lies and lying. One area of lying that we considered was ‘being slightly dishonest, or not speaking the complete truth’. One reason for not speaking the complete truth is to avoid saying something that might upset or offend people. Words and

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More