Synonyms for adamant

Noun

1. diamond, adamant, carbon, C, atomic number 6, transparent gem

usage: very hard native crystalline carbon valued as a gem

Adjective

1. adamant, adamantine, inexorable, intransigent, inflexible (vs. flexible)

usage: 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"- W.Churchill; "an intransigent conservative opposed to every liberal tendancy"