adamantine
2 antonyms for adamantine — opposites grouped by meaning.
Adj — Another word for adamant.
Synonyms by Meaning
2. adj
So hard and solid that it cannot be broken, dissolved or pierced.
“adamantine bonds adamantine chains”
Opposites
Antonyms
Etymology
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...
Full origin of adamantine →