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pertinaciously.

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

14 characters5 syllables approx.English language

Meaning & usage

adv/ˌpɜː.təˈneɪ.ʃəs.li/Received-Pronunciation/ˌpɝːtənˈeɪʃəsli/US
  1. In a stubbornly resolute manner; tenaciously holding one's course of action or opinion.

Where this word comes from

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

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.