Meaning of lighten up in English

1. Pronunciation

   US accent

   How to pronounce lighten up in American English, in context ▾
   Use the controls below to browse different examples of pronunciation.

   UK accent

   How to pronounce lighten up in British English, in context ▾
   Use the controls below to browse different examples of pronunciation.

1. Verb

   lighten up

   Definitions

   1. make lighter or brighter

   Examples

   • « The paint will brighten the room »

   Antonyms

   • darken
2. 2. become lighter

   Examples

   • « The room lightened up »