Pertinaciously
//ˌpɜː.təˈneɪ.ʃəs.li//
Pronunciation
US //ˌpɜː.təˈneɪ.ʃəs.li//
US //ˌpɝːtənˈeɪʃəsli//
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.