Word.ws English Dictionary

Synonyms of adamantine

79 similar words

Another word for adamantine is immovable. Other synonyms of adamantine are impregnable, indomitable, inextinguishable, inexpugnable and insuperable.

Synonyms and similar words for adamantine

adjectiveIncapable of being broken, dissolved, or penetrated; impenetrable, unbreakable.

adjectiveOf a person: refusing to change one's mind; obstinate, stubborn.

nounSynonym of adamantium (“a fictional metal which is indestructible or nearly so”).

  • adamantiumA fictional metal which is indestructible or nearly so.

Meaning of adamantine

  1. adjective Made of adamant (“an unspecified mineral or rock of virtually impenetrable hardness”).
  2. adjective Incapable of being broken, dissolved, or penetrated; impenetrable, unbreakable.
  3. adjective Difficult to defeat or prevail over; unshakable, unyielding.

Full definition of adamantine

adamantine in other languages

Questions about synonyms of adamantine

What is another word for adamantine?
Adamantine has 79 synonyms on Word.ws, such as immovable, impregnable, indomitable, inextinguishable, inexpugnable, insuperable, insuppressible and insurmountable.
What does adamantine mean?
Adamantine means made of adamant (“an unspecified mineral or rock of virtually impenetrable hardness”).

Source and license

Adapted from Wiktionary: adamantine (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

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