Adamantine
English Meaning
Made of adamant, or having the qualities of adamant; incapable of being broken, dissolved, or penetrated; as, adamantine bonds or chains.
- Made of or resembling adamant.
- Having the hardness or luster of a diamond.
- Unyielding; inflexible: "If there is one dominant trait that emerges from this account, it is adamantine willpower” ( Eugene Linden).