- 1. diamond, adamant, carbon, C, atomic number 6, transparent gem
- usage: very hard native crystalline carbon valued as a gem
WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. adamant, adamantine, inexorable, intransigent, inflexible (vs. flexible)
- usage: 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"
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See also: adamant (Dictionary)