Adamantine - Definition
adamantine
adj 1: consisting of or having the hardness of adamant
2: having the hardness of a diamond
3: 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"
[syn: adamant, adamantine, inexorable, intransigent]