brighten

[ brahyt-n ]
/ ˈbraɪt n /

verb (used with or without object)

to become or make bright or brighter.

Origin of brighten

First recorded in 1250–1300, brighten is from the Middle English word brightnen. See bright, -en1
Related formsre·bright·en, verbun·bright·ened, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for brighten

British Dictionary definitions for brighten

brighten

/ (ˈbraɪtən) /

verb

to make or become bright or brighter
to make or become cheerful

Derived Formsbrightener, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012