Synonyms of blacken in English:

blacken


See US English definition of blacken

See UK English definition of blacken

See Spanish definition of ennegrecer

verb

1‘you use it to blacken your hair’

SYNONYMS
make black, black, darken, make dark, make darker
dirty, make dirty, make sooty, make smoky, stain, grime, begrime, befoul, soil
ANTONYMS

whiten, clean

2‘the sky blackened’

SYNONYMS
become black, grow black, darken, dim, grow dim, cloud over
ANTONYMS

lighten, brighten

3‘she won't thank you for blackening her husband's name’

SYNONYMS
sully, tarnish, blot, besmirch, drag through the mire, drag through the mud, stain, taint, smear, smudge, befoul, soil, contaminate, pollute, disgrace, dishonour, bring discredit to, injure, damage, spoil
slander, defame, traduce
literary besmear, smirch
archaic spot, breathe on
ANTONYMS

clear, enhance