adamant

  • (s) impervious to pleas, persuasion, requests, reason
    • he is adamant in his refusal to change his mind
    • "Cynthia was inexorable; she would have none of him"- W.Churchill
    • an intransigent conservative opposed to every liberal tendency
    intransigent, inexorable, adamantine,

Nouns

  • (n) very hard native crystalline carbon valued as a gem diamond,

Synonyms

intransigent inexorable adamantine diamond

Words of close approximity

adamantine adamantly