Dictionary and Thesaurus

Definition of Lighten Up

• (verb) become lighter; "The room lightened up"
• (verb) make lighter or brighter; "The paint will brighten the room"
• (verb) become more cheerful; "after a glass of wine, he lightened up a bit"
• (verb) make more cheerful; "the conversation lightened me up a bit"

Synonyms of Lighten Up

• Lighten
• Buoy Up
• Lighten
• Buoy Up
• Brighten
• Lighten
• Lighten

Antonyms of Lighten Up

• Weigh Down
• Darken
• Darken

Homophones of Lighten Up