pertinacious

3 antonyms for pertinacious — opposites grouped by meaning.

Adj — Refusing to give up an opinion or aim, holding firmly onto it.

Antonyms

inconstant irresolute flexible

Formed from pertinace and -ious, from Old French pertinace, from Latin pertinax, from per- (“very”) plus tenax (“tenacious”).

flexible persistent dogged dour tenacious unyielding inconstant irresolute