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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.

One UK expat who was at the beach at the time of the shooting says everyone he speaks to is adamant this will not change Bondi, or Australia.

From BBC

My husband is adamant about keeping it this way as he still wants his daughter to take responsibility for her life and her choices.

From MarketWatch

He is adamant the 20-year-old's chances of a first Premier League start of the season will not be affected by it.

From BBC

The memo reports the department’s response: It was “adamant that no accommodation would be given and that they would not reach out to the attorney.”

From The Wall Street Journal

Nancy said he recognises that the ongoing turmoil is "difficult" for the Celtic fans, but the 48-year-old is adamant that he can see improvements.

From BBC