nigrify

Từ điển WordNet v3.1 - WordNet Dictionary

verb

make or become black
- The smoke blackened the ceiling
- The ceiling blackened
• Syn:
blacken, melanize, melanise, black
• Ant:
whiten (for: blacken)
• Derivationally related forms:
black (for: black), melanin (for: melanize)
• Hypernyms:
discolor, discolour, colour, color
• Verb Frames:
- Something ----s
- Somebody ----s something
- Something ----s something