blacken

Từ điển Oxford Advanced Learner 8th

black·en [blacken blackens blackened blackening] BrE [ˈblækən] NAmE [ˈblækən] verb
1. transitive, intransitive ~ (sth) to make sth black; to become black
•Their faces were blackened with soot.
•Smoke had blackened the walls.
•rows of blackened teeth
2. transitive ~ sb's name/reputation/character to say unpleasant things that give people a bad opinion of sb
•He accused the newspaper of trying to blacken his name.
Verb forms:

Example Bank:
•There was a row of brick houses, blackened by smoke.

• Từ đồng nghĩa / Synonyms:
  char, sear, scorch, melanize, melanise, nigrify, black
• Từ trái nghĩa / Antonyms:
  whiten, white