as in adamant
sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion the adamantine opposition of his parents to his marriage to a girl from a poor family

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Podcast

Thesaurus Entries Near adamantine

Cite this Entry

“Adamantine.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adamantine. Accessed 27 Nov. 2022.

More from Merriam-Webster on adamantine

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!


Commonly Confused Words Quiz

  • vector image of a face with thought expression
  • I went to the ______ store to buy a birthday card.
Spell It

Hear a word and type it out. How many can you get right?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ