If you won’t take no for an answer, you’re pertinacious. The same holds true if you stubbornly push on a door despite a sign that says “pull.” Pertinacious means unyielding or perversely persistent.

  • Pronunciation: /,pɝtn'eʃəs/
  • English description: stubbornly unyielding
  • Synonyms: dogged
  • Chinese Translation:  顽固的(wan2 gu4 de)
  • Spanish Translation: pertinaz
  • ORIGIN: We get pertinacious from the Latin pertinx, which combines per-"thoroughly" with tenx "tenacious." You can impress your friends by dropping pertinacious into conversation when referring to anyone who is bullheaded and obstinately stuck in their ways and opinions. If a Girl Scout is a pertinacious salesperson you might buy fifty boxes of Thin Mints when you only wanted one.


  • The museum’s functionaries—from floor-polishing janitors to pertinacious scholars and fantastically skilled restorers—emerge as the film’s heroes.
  • It cost Philip fifty liras and nearly all the Italian he knew to get rid of the pertinacious and ingenious fellow.

*New word description, story and part of "EXAMPLE SENTENCE" are cited in