Meanings
verbdarken up (third-person singular simple present darkens up, present participle darkening up, simple past and past participle darkened up)
present singular third person darkens up · participle present darkening up · participle past darkened up · past darkened up
- intransitivetransitiveTo become or make (something) darker.
Synonyms & antonyms
verbSynonym of black up.
Similar
Cite this entry
APA
darken up. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/darken%20up
MLA
“darken up.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/darken%20up. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “darken up,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/darken%20up.
Source: darken up on Wiktionary, CC BY-SA 4.0.