adamantine
3 synonyms and 2 antonyms for adamantine, grouped by meaning and by how common each one is.
Adj — Another word for adamant.
Synonyms
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Synonyms by Meaning
2. adj
So hard and solid that it cannot be broken, dissolved or pierced.
“adamantine bonds adamantine chains”
Opposites
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 →