pertinacious
[ pur-tn-ey-shuhs ]
/ ˌpɜr tnˈeɪ ʃəs /
adjective
holding tenaciously to a purpose, course of action, or opinion; resolute.
stubborn or obstinate.
extremely or objectionably persistent: a pertinacious salesman from whom I could not escape.
Origin of pertinacious
First recorded in 1620–30;
pertinaci(ty) +
-ous
OTHER WORDS FROM pertinacious
per·ti·na·cious·ly, adverb per·ti·na·cious·ness, nounWords nearby pertinacious
perth amboy,
perth and kinross,
perthes disease,
perthite,
perthshire,
pertinacious,
pertinacity,
pertinent,
perturb,
perturbation,
perturbation theory
Example sentences from the Web for pertinacious
British Dictionary definitions for pertinacious
pertinacious
/ (ˌpɜːtɪˈneɪʃəs) /
adjective
doggedly resolute in purpose or belief; unyielding
stubbornly persistent
Derived forms of pertinacious
pertinaciously, adverb pertinacity (ˌpɜːtɪˈnæsɪtɪ) or pertinaciousness, nounWord Origin for pertinacious
C17: from Latin
pertināx, from
per- (intensive) +
tenāx clinging, from
tenēre to hold