Pertinaciously

//ˌpɜː.təˈneɪ.ʃəs.li// adv

adv ·Uncommon ·Advanced level

Definitions

Adverb
  1. 1
    In a stubbornly resolute manner; tenaciously holding one's course of action or opinion.

    "Saint Augustine makes this difference betweene an heretike, and him that beleeves an heretike. The first begets or followes an errour pertinaciously."

Adverb
  1. 1
    in a dogged and pertinacious manner wordnet

Synonyms

All synonyms
boldlydaringlydiligentlydoggedlydoggedlyfaithfully

Example

More examples

"Saint Augustine makes this difference betweene an heretike, and him that beleeves an heretike. The first begets or followes an errour pertinaciously."

Etymology

From pertinacious + -ly, from Latin pertināx, from per- (“very”) + tenāx (“tenacious”), from teneō (“I hold”).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.