adj.
Pronunciation: ˌ p ə r-t ə - ' n ā -sh ə s
Function: adjective
Etymology: Latin pertinac-, pertinax, from per- thoroughly + tenac-, tenax tenacious, from ten ē re
Date: 1626
1 a : adhering resolutely to an opinion, purpose, or design b : perversely persistent
2 : stubbornly unyielding or tenacious
synonyms see OBSTINATE
– per · ti · na · cious · ly adverb
– per · ti · na · cious · ness noun
– per · ti · nac · i · ty \ - ' na-s ə -t ē \ noun