brighten

/ˈbraɪtən/
verb
  1. To become or make something lighter or more full of light.
    • The sun came out and began to brighten the room.
    • The sky brightened after the storm passed.
    • She opened the curtains to brighten the dark kitchen.
  2. To become or make someone happier or more cheerful.
    • Her smile brightened everyone's day.
    • A kind word can brighten someone's whole afternoon.
    • The good news brightened his mood instantly.
  3. To make something more colorful or vivid.
    • Adding white paint will brighten the color.
    • The artist used yellow to brighten the painting.
    • New flowers brightened the garden in spring.
Antonyms
What does "brighten" mean? | whatsthatwordmean | whatsthatwordmean