Definition of impinge verb from the Oxford Advanced American Dictionary

     

    impinge

     verb
    verb
    NAmE//ɪmˈpɪndʒ//
     
    [intransitive]impinge (on/upon something/somebody)(formal)Verb Forms present simple I / you / we / they impinge
     
    he / she / it impinges
     
    past simple impinged
     
    -ing form impinging
     
     
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  1. 1to have a noticeable effect on something or someone, especially a bad one synonym encroach
  2. 2 He never allowed his work to impinge on his private life. The preparations for war were beginning to impinge.
See the Oxford Advanced Learner's Dictionary entry: impinge