Dictionary and Thesaurus

Definition of Adamantine

• (a.) Made of adamant, or having the qualities of adamant; incapable of being broken, dissolved, or penetrated; as, adamantine bonds or chains.
• (a.) Like the diamond in hardness or luster.

Synonyms of Adamantine

• Adamant
• Inexorable
• Intransigent

Antonyms of Adamantine

Homophones of Adamantine