lighten up

Idioms & Phrases

lighten up

Become or cause to become less serious or gloomy, and more cheerful. For example, Lighten up, Samit'll turn out all right. This slangy expression transfers reducing a physical weight to a change of mood or attitude.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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WordNet
lighten up

verb
1. make more cheerful; "the conversation lightened me up a bit" [syn: lighten] [ant: weigh down
2. become more cheerful; "after a glass of wine, he lightened up a bit" [syn: lighten
3. make lighter or brighter; "The paint will brighten the room" [syn: brighten] [ant: darken
4. become lighter; "The room lightened up" [syn: lighten] [ant: darken
WordNet® 3.0, © 2006 by Princeton University.
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