AskDefine | Define pertinacious

Dictionary Definition

pertinacious adj : stubbornly unyielding; "dogged persistence"; "dour determination"; "the most vocal and pertinacious of all the critics"; "a mind not gifted to discover truth but tenacious to hold it"- T.S.Eliot; "men tenacious of opinion" [syn: bulldog, dogged, dour, tenacious, unyielding]

User Contributed Dictionary



From pertinax; per- ‘very’ + tenax ‘tenacious’.


  • /pɝ-tn̩ˈeɪʃəs/
  • /p@`tn="eIS@s/


  1. Holding tenaciously to an opinion or purpose.
  2. Stubbornly resolute or tenacious.


holding tenaciously to an opinion or purpose
  • Dutch: vast overtuigd
stubbornly resolute or tenacious
  • Dutch: vasthoudend

Synonyms, Antonyms and Related Words

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