darken up
darken up · darkens up · darkened up · darkening up
To become or make darkerTo become or make (something) darker.
Meaning
2 senses(intransitive, transitive)To become or make (something) darker.
Synonym of black up.
Forms
darkens up, darkening up, darkened up, darkened up| Base form | darken up · to darken up |
|---|---|
| 3rd person singular | darkens up |
| Present participle | darkening up |
| Past simple | darkened up |
| Past participle | darkened up |
irregular
Phrasal verbs
2 phrasal verbsSynonyms
1 synonymsLessons for this word
3 lessons- A1Present simple — Because it is a verb
- A1Past simple, regular verbs — Because of its past form
- A2Phrasal verbs: introduction — Because it is a phrasal verb