Definition of abrupt adjective from the Oxford Advanced Learner's Dictionary

     

    abrupt

     adjective
    adjective
    BrE BrE//əˈbrʌpt//
     
    ; NAmE NAmE//əˈbrʌpt//
     
    Describing unpleasant traits
     
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  1. 1sudden and unexpected, often in an unpleasant way an abrupt change/halt/departure The accident brought his career to an abrupt end.
  2. 2speaking or acting in a way that seems unfriendly and rude; not taking time to say more than is necessary synonym brusque, curt an abrupt manner She was very abrupt with me in our meeting. See related entries: Describing unpleasant traits
  3. Word Origin late 16th cent.: from Latin abruptus ‘broken off, steep’, past participle of abrumpere, from ab- ‘away, from’ + rumpere ‘break’.Extra examples He indicated Isabel with an abrupt movement of his head. His abrupt departure made me think I had done something to upset him. The abrupt change of subject disconcerted her.
See the Oxford Advanced American Dictionary entry: abrupt