adamance
— Noun
– English
~ resoluteness by virtue of being unyielding and inflexible
adamant
— Adjective
– English
~ 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"
adamant
— Noun
– English
~ very hard native crystalline carbon valued as a gem
adamantine
— Adjective
– English
~ 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"
adamantine
— Adjective
– English
~ consisting of or having the hardness of adamant
adamantine
— Adjective
– English
~ having the hardness of a diamond