lighten up

Definitions of lighten up
1

v make lighter or brighter

Synonyms:
brighten, lighten
Antonyms:
darken
make dark or darker
Type of:
alter, change, modify
cause to change; make different; cause a transformation

v become lighter

Synonyms:
lighten
Antonyms:
darken
become dark or darker
Types:
show 4 types...
hide 4 types...
irradiate
cast rays of light upon
illume, illuminate, illumine, light, light up
make lighter or brighter
floodlight
illuminate with floodlights
spotlight
illuminate with a spotlight, as in the theater
Type of:
change
undergo a change; become different in essence; losing one's or its original nature

v make more cheerful

Synonyms:
buoy up, lighten
Antonyms:
weigh down, weigh on
be oppressive or disheartening to
Type of:
cheer
show approval or good wishes by shouting

v become more cheerful

Synonyms:
buoy up, lighten
Type of:
cheer, cheer up, chirk up
become cheerful

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