Word.ws English Dictionary

darken up

darken up verb: to become or make (something) darker.

Verb

darken up (third-person singular simple present darkens up, present participle darkening up, simple past and past participle darkened up)

  1. (intransitive, transitive) To become or make (something) darker.
  2. Synonym of black up.
    Synonyms:
    black up

Synonyms of darken up

Forms of darken up

third-person singular presentdarkens up
present participledarkening up
past participledarkened up
pastdarkened up

Questions about darken up

What does darken up mean?
Darken up means to become or make (something) darker.
What part of speech is darken up?
Darken up is a verb.
What is the past tense of darken up?
The past tense of darken up is darkened up.

Words near darken up in the dictionary

  1. darken a church door
  2. darken down
  3. darken someone's door
  4. darken someone's doorstep
  5. darken someone's doorway
  6. darken up
  7. darkened
  8. darkened a church door
  9. darkened down
  10. darkened someone's door
  11. darkened up

Source and license

Adapted from Wiktionary: darken up (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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