Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “brighten”

See all translations

brighten

verb [I or T] uk   /ˈbraɪ.tən/ us    /-t̬ən/

brighten verb [I or T] (LIGHTER)

to (cause to) become lighter: The room was small and dark, without so much as a ray of light to brighten the gloom. It was rainy this morning, but it brightened up (= the sun started shining) after lunch.

brighten verb [I or T] (HAPPIER)

to (cause to) become happy or full of hope: Her eyes brightened when she saw him enter the room. There are, however, one or two items of good news to brighten the economic picture a bit.
(Definition of brighten from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of brighten?
Add Cambridge dictionaries to your browser to your website

Definitions of “brighten” in other dictionaries

Word of the Day

comma

the symbol , used in writing to separate parts of a sentence showing a slight pause, or to separate the single things in a list

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More