Synonyms for black up

Most common

dark up · darken up · blacken

All synonyms

Verb

Definitions

1. v. 1

   To become or make (something) black or darker.

Example sentences

• blacken Don't blacken the fridge with your dirty fingers.

By length

7 letters

blacken²

The small number after each word is its number of syllables (blacken² = 2 syllables).