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

     

    sully

     verb
    verb
    BrE BrE//ˈsʌli//
     
    ; NAmE NAmE//ˈsʌli//
     
    (formal or literary)Verb Forms present simple I / you / we / they sully
    BrE BrE//ˈsʌli//
     
    ; NAmE NAmE//ˈsʌli//
     
    he / she / it sullies
    BrE BrE//ˈsʌliz//
     
    ; NAmE NAmE//ˈsʌliz//
     
    past simple sullied
    BrE BrE//ˈsʌlid//
     
    ; NAmE NAmE//ˈsʌlid//
     
    past participle sullied
    BrE BrE//ˈsʌlid//
     
    ; NAmE NAmE//ˈsʌlid//
     
    -ing form sullying
    BrE BrE//ˈsʌliɪŋ//
     
    ; NAmE NAmE//ˈsʌliɪŋ//
     
     
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  1. 1sully something to spoil or reduce the value of something By cheating they have sullied the good name of their country.
  2. 2sully something to make something dirty She wondered if she dared risk sullying the gleaming sink.
  3. Word Origin late 16th cent.: perhaps from French souiller ‘to soil’.
See the Oxford Advanced American Dictionary entry: sully