1. [Verb]: make lighter or brighter; "The paint will brighten the room"

2. [Verb]: become clear; "The sky cleared after the storm"

3. [Verb]: become brighter; "The sky brightened"

4. [Verb]: become brighter; "The sky brightened around noon"; "Her face brightened when she heard the good news"

Opposite words to 'brighten'

Try another search!

Look up words in the English4.Today Online Dictionary and add them to your own personal dictionary for vocabulary practice.

All you need to start your own personal dictionary web is a free English4.Today membership. Podcasts

Get immediate access to grammar tests, quizzes, exercises, pronuciation practice, vocabulary building, courses, and an online community all wanting to improve their English and help you improve yours! Standard membership is FREE!!