American English

Definition of tenacious adjective from the Oxford Advanced American Dictionary



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  1. 1that does not stop holding something or give up something easily; determined a tenacious grip She's a tenacious woman. She never gives up. The party has kept its tenacious hold on power for more than twenty years.
  2. 2continuing to exist, have influence, etc. for longer than you might expect synonym persistent a tenacious illness
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adverb Though seriously ill, he still clings tenaciously to life.
noun [uncountable] They competed with skill and tenacity.
See the Oxford Advanced Learner's Dictionary entry: tenacious