[ blak-uhn ]
/ ˈblæk ən /

verb (used with object)

to make black; darken.
to speak evil of; defame: to blacken a person's reputation.

verb (used without object)

to grow or become black.

Origin of blacken

Middle English word dating back to 1250–1300; see origin at black, -en1

Related forms

black·en·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for blacken

British Dictionary definitions for blacken


/ (ˈblækən) /


to make or become black or dirty
(tr) to defame; slander (esp in the phrase blacken someone's name)
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