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

     

    mob

     verb
    verb
    BrE BrE//mɒb//
     
    ; NAmE NAmE//mɑːb//
     
    [usually passive]Verb Forms present simple I / you / we / they mob
    BrE BrE//mɒb//
     
    ; NAmE NAmE//mɑːb//
     
    he / she / it mobs
    BrE BrE//mɒbz//
     
    ; NAmE NAmE//mɑːbz//
     
    past simple mobbed
    BrE BrE//mɒbd//
     
    ; NAmE NAmE//mɑːbd//
     
    past participle mobbed
    BrE BrE//mɒbd//
     
    ; NAmE NAmE//mɑːbd//
     
    -ing form mobbing
    BrE BrE//ˈmɒbɪŋ//
     
    ; NAmE NAmE//ˈmɑːbɪŋ//
     
     
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  1. 1mob something if a crowd of birds or animals mob another bird or animal, they gather round it and attack it
  2. 2mob somebody if a person is mobbed by a crowd of people, the crowd gathers round them in order to see them and try and get their attention synonym besiege
  3. Word Origin late 17th cent.: abbreviation of archaic mobile, short for Latin mobile vulgus ‘excitable crowd’.
See the Oxford Advanced American Dictionary entry: mob