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

     

    relentless

     adjective
    adjective
    BrE BrE//rɪˈlentləs//
     
    ; NAmE NAmE//rɪˈlentləs//
     
     
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  1. 1not stopping or getting less strong synonym unrelenting her relentless pursuit of perfection The sun was relentless.
  2. 2refusing to give up or be less strict or severe a relentless enemy
  3. Extra examples His relentless energy made him come alive in every role he played. She tried to force her way into the relentless stream of traffic. The relentless pursuit of increased profit at any cost is questionable. The team kept up the relentless pressure in the second half. The wind was relentless.
See the Oxford Advanced American Dictionary entry: relentless