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adamant

American  
[ad-uh-muhnt, -mant] / ˈæd ə mənt, -ˌmænt /

adjective

  1. utterly unyielding in attitude or opinion in spite of all appeals, urgings, etc.

    Synonyms:
    uncompromising, rigid, inflexible
    Antonyms:
    yielding, easygoing, flexible
  2. too hard to cut, break, or pierce.


noun

  1. any impenetrably or unyieldingly hard substance.

  2. a legendary stone of impenetrable hardness, formerly sometimes identified with the diamond.

adamant British  
/ ˈædəmənt /

adjective

  1. unshakable in purpose, determination, or opinion; unyielding

  2. a less common word for adamantine

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. any extremely hard or apparently unbreakable substance

  2. a legendary stone said to be impenetrable, often identified with the diamond or loadstone

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • adamance noun
  • adamancy noun
  • adamantly adverb
  • unadamant adjective

Etymology

Origin of adamant

First recorded before 900; Middle English, from Old French adamaunt, from Latin adamant- (stem of adamas ) “hard metal (perhaps steel), diamond,” from Greek, equivalent to a- a- 6 + -damant- verbal adjective of damân “to tame, conquer”; replacing Old English athamans (from Medieval Latin ) and Middle English aymont, from Middle French aimant, from unattested Vulgar Latin adimant-, from Latin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Asked after the first Test if England would alter their plans and send players to Canberra, Stokes was adamant they would not.

From BBC

It's a complex situation, involving people from different local communities wanting a slice of the bus income, but Mr Caballero is adamant that Consettur is not a monopoly.

From BBC

However the trash-talking American was adamant on Friday that he has the tools to stop Joshua as the two men faced off in a promotional event for next month's Netflix special.

From Barron's

The Dutch claim the use of the ship has been a success, but they are adamant it's not a lasting solution - and so everyone on board will be taken ashore within three months.

From BBC

Moderates and conservatives in the House are adamant: Biden must engage.

From Seattle Times