Definition of blacken verb from the Oxford Advanced Learner's Dictionary

     

    blacken

     verb
    verb
    BrE BrE//ˈblækən//
     
    ; NAmE NAmE//ˈblækən//
     
    Verb Forms present simple I / you / we / they blacken
    BrE BrE//ˈblækən//
     
    ; NAmE NAmE//ˈblækən//
     
    he / she / it blackens
    BrE BrE//ˈblækənz//
     
    ; NAmE NAmE//ˈblækənz//
     
    past simple blackened
    BrE BrE//ˈblækənd//
     
    ; NAmE NAmE//ˈblækənd//
     
    past participle blackened
    BrE BrE//ˈblækənd//
     
    ; NAmE NAmE//ˈblækənd//
     
    -ing form blackening
    BrE BrE//ˈblækənɪŋ//
     
    ; NAmE NAmE//ˈblækənɪŋ//
     
    Waste and pollution
     
    jump to other results
  1. 1[transitive, intransitive] blacken (something) to make something black; to become black Their faces were blackened with soot. Smoke had blackened the walls. rows of blackened teeth There was a row of brick houses, blackened by smoke. See related entries: Waste and pollution
  2. 2[transitive] blacken somebody’s name/reputation/character to say unpleasant things that give people a bad opinion of somebody He accused the newspaper of trying to blacken his name.
See the Oxford Advanced American Dictionary entry: blacken