5
black out(verb, expression, phrasal verb, lose)
5
blind(cover, obscure, confuse, hide, conceal)
5
confuse(verb, cover, obscure, hide, conceal)
5
gloom
5
lower(verb, upset, trouble, dull, reduce)
5
overcloud(cover, obscure, lead, hide, conceal)
5
shroud
4
blot out(verb, expression, obscure, conceal, dim)
4
conceal(verb, cover, obscure, confuse, hide)
4
deepen(verb, cover, increase, raise, moderate)
4
dispirit(verb, upset, trouble, dull, reduce)
4
sadden(verb, upset, trouble, dull, reduce)
4
stain(verb, dull, color, fade, wash)
3
bewilder(verb, obscure, confuse, baffle, perplex)
3
blotch
3
cloud over(verb, expression, phrasal verb, cover, obscure)
3
cloud up(verb, expression, phrasal verb, cover, obscure)
3
color(verb, shade, pigmented)
3
dusk
3
grow dark(verb, expression, idiom, dirty, dim)
11 years ago|9.5k views|share |citing 
APASmart Define. (2015). darken thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/darken/thesaurus/synonyms
ChicagoSmart Define. 2015. "darken thesaurus" https://smartdefine.org/darken/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, darken thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/darken/thesaurus/synonyms>.
MLASmart Define. "darken thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/darken/thesaurus/synonyms>