Came into English from Middle English adamantine, adamantyne, adamauntyn (“(adjective) of adamant; (noun) adamant”), from Anglo-Norman adamantin and Middle French adamantin (“of or resembling adamant or diamond”) (modern French adamantin), and from their etymon Latin adamantinus (“adamantine”), which traces to Ancient Greek ἀδᾰμάντῐνος (adămántĭnos, “hard as adamant; made of steel”), from ᾰ̓δᾰμᾰντ- (ădămănt-), a stem of ἀδάμᾱς (adámās, “the hardest metal (probably steel); diamond”), possibly originally Semitic, plus -ῐνος (-ĭnos, suffix meaning ‘made of’ forming adjectives). By surface analysis, it is adamant + -ine (suffix meaning ‘of or pertaining to’ forming adjectives). Etymology 1, adjective sense 1.2.4 (“having the quality of attracting or drawing”) and etymology 1, adjective sense 2 (“like diamond in lustre; etc.”) refer back to adamant (“(archaic) lodestone; (historical, poetic) diamond”).

Synonyms

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adamant intransigent inexorable

Antonyms

soft flexible

Related words

hard easy firm quiet soft loud diamond fluid

Rhymes for adamantine

nine mine wine line sine dine fine thine shine Rhine Maine seine

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Frequently asked questions

What is the meaning of adamantine?

"adamantine" (adj) means another word for adamant.

What is another word for adamantine?

Other words for "adamantine" include adamant, intransigent, inexorable.

What is the opposite of adamantine?

Opposites of "adamantine" include soft, flexible.

What are the different meanings of adamantine?

"adamantine" has 3 main meanings: 1. Another word for adamant; 2. Made from adamant, an imagined substance so hard that almost nothing can pierce it; 3. So hard and solid that it cannot be broken, dissolved or pierced.

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