Pertinacious
Adjectiveकिसी राय या कार्य योजना पर दृढ़ता से कायम रहना; दृढ़ या दृढ़निश्चयी
Definition
Holding firmly to an opinion or a course of action; persistent or tenacious.
Contextual Sentence: "The pertinacious efforts of the NGO led to significant changes in environmental policy."
💡 Memory Hook (Mnemonic): Pertinacious → 'per' (thoroughly) + 'tenacious' (holding firmly) → thoroughly holding firmly.
Synonyms
persistent
tenacious
dogged
Antonyms
vacillating
yielding
irresolute