Robuta

https://1828.mshaffer.com/d/word/obstinately Obstinately [ OB'STINATELY, adv. Stubbornly; pertinaciously; with fixedness of ... ] :: Search the... Obstinately [ OB'STINATELY, adv. Stubbornly; pertinaciously; with fixedness of purpose not to be shaken, or not without difficulty; as a sinner obstinately... obadv