Misspelling of adamant.
(said of people and their conviction) Firm; unshakeable; unyielding; determined.
(of an object) very difficult to break, pierce, or cut.
An imaginary rock or mineral of impenetrable hardness; a name given to the diamond and other substances of extreme hardness.
An embodiment of impregnable hardness.
A magnet; a lodestone.
A stone imagined by some to be of impenetrable hardness; a name given to the diamond and other substances of extreme hardness; but in modern mineralogy it has no technical signification. It is now a rhetorical or poetical name for the embodiment of impenetrable hardness.
‘Opposed the rocky orbOf tenfold adamant, his ample shield.’;
‘As true to thee as steel to adamant.’;
very hard native crystalline carbon valued as a gem
not capable of being swayed or diverted from a course; unsusceptible to persuasion;
‘he is adamant in his refusal to change his mind’; ‘Cynthia was inexorable; she would have none of him’; ‘an intransigent conservative opposed to every liberal tendancy’;
refusing to be persuaded or to change one's mind
‘he is adamant that he is not going to resign’;
a legendary rock or mineral to which many properties were attributed, formerly associated with diamond or lodestone.
Adamant in classical mythology is an archaic form of diamond. In fact, the English word diamond is ultimately derived from adamas, via Late Latin diamas and Old French diamant.