'lighten up' definitions:

Definition of 'lighten up'

(from WordNet)
verb
Make more cheerful; "the conversation lightened me up a bit" [syn: lighten, lighten up, buoy up] [ant: weigh down, weigh on]
verb
Become more cheerful; "after a glass of wine, he lightened up a bit" [syn: lighten, lighten up, buoy up]
verb
Make lighter or brighter; "The paint will brighten the room" [syn: brighten, lighten up, lighten] [ant: darken]
verb
Become lighter; "The room lightened up" [syn: lighten, lighten up] [ant: darken]

Words containing 'lighten up'