Adamantine(adjective)
Unbreakable, extremely hard, or firm in attitude; impossible to change or defeat.
Hindi meaning:अटूट, दृढ़, अटल
Synonyms: Unyielding, Firm, Indestructible, Resolute
Antonyms: Weak, Flexible, Fragile, Yielding
Example: She had an adamantine will to succeed despite all the difficulties.
Trick to remember: Adamant (adjective/noun), Adamantly (adverb) 
Learn it with 19 more words: Daily Vocabulary – 1 November 2025 →
