September 09, 2026

Pertinacious

adjective

Definition

Holding firmly to an opinion or course of action; stubbornly resolute. Pertinacious people don't give up, even when they probably should.

Example Sentence

“Her pertinacious refusal to accept the initial rejection finally earned her a hearing.”

Etymology

From Latin pertinax, from per- (thoroughly) + tenax (holding fast).

Scrabble Score

P3E1R1T1I1N1A1C3I1O1U1S1

PERTINACIOUS scores 16 points in Scrabble.

Synonyms & Related Words

stubborn persistent tenacious dogged

Use It in Word Games

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