lighten
verbUK /ˈlaɪtən/
US /ˈlaɪtən/
To make something lighter in color or weight.
She used a special paint to lighten the walls of her room.
RELATED WORDS
OTHER MEANINGS
2. To make something less heavy.
He helped lighten the load by carrying one of the boxes.
3. To make a situation less serious or worrying.
A joke can lighten the mood in a tense meeting.
4. To become brighter, as with light.
The sky began to lighten as the sun rose.