Definition of desertion noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈzɜːʃn//
    ; NAmE NAmE//ˈzɜːrʃn//
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  1. 1[uncountable, countable] the act of leaving the armed forces without permission The army was badly affected by desertions.
  2. 2[uncountable] the act of leaving somebody without help or support synonym abandonment (1) She felt betrayed by her husband's desertion.
  3. 3[uncountable] the act of going away from a place and leaving it empty desertion of nests prompted by human disturbance
  4. 4[uncountable] the act of stopping using, buying or supporting something synonym abandonment (2) the Cubist desertion of painting