adamantine

1. 1.

   consisting of or having the hardness of adamant
2. 2.

   having the hardness of a diamond

   Similarhard
3. 3.

   impervious to pleas, persuasion, requests, reason

   “he is adamant in his refusal to change his mind”

   “Cynthia was inexorable; she would have none of him”

   “an intransigent conservative opposed to every liberal tendency”

   Synonymsadamantinexorableintransigent

   Similarinflexible

Questions about adamantine

What does adamantine mean?

adamantine means "consisting of or having the hardness of adamant". That is the primary sense; the word has 3 in total, listed in full on this page.

How many syllables are in adamantine?

adamantine has 4 syllables: a-da-man-tine. The stress falls on "da".

What is another word for adamantine?

Close synonyms include adamant, inexorable, intransigent. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is adamantine a common word?

adamantine is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.