pertinaciously

IPA(Pronunciation)

Adverb

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

Japanese Meaning

頑なに、断固として、自己の見解や方針を貫く様子 / しつこく、執拗に自分の意見や行動を変更せずに保持する様子

She pertinaciously pursued her research, ignoring setbacks until she achieved a breakthrough.

彼女は頑固に研究を続け、挫折を顧みずについに画期的な成果を達成した。

Sense（1）

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

more pertinaciously

（ comparative ）

most pertinaciously

（ superlative ）