utterly unyielding in attitude or opinion in spite of all appeals, urgings, etc.
too hard to cut, break, or pierce.
any impenetrably or unyieldingly hard substance.
a legendary stone of impenetrable hardness, formerly sometimes identified with the diamond.
- ad·a·man·cy [ad-uh-muhn-see], /ˈæd ə mən si/, ad·a·mance, noun
- ad·a·mant·ly, adverb
- un·ad·a·mant, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use adamant in a sentence
Even the most adamant Obamacare opponent must acknowledge, as Kasich has, that its coverage expansion has helped some people.
They are also as adamant about the tone they want to strike.Inside the Political Fun House: How ‘Alpha House’ Became Amazon’s First Big Hit | Kevin Fallon | October 24, 2014 | THE DAILY BEAST
They are adamant that their women-only concerts are not a result of religious rules.The Sisterhood of Bulletproof Stockings: It’s Ladies’ Night for Hasidic Rockers | Emily Shire | September 30, 2014 | THE DAILY BEAST
Despite all the visual cues which might suggest otherwise, Manning was adamant that he was not trying to promote himself.
Many of the survivors were adamant that the fighters were made up of foreign nationals from all over the world.
He was strong; his will was adamant as the blade of Trenchefer; to save those dear ones a single pang—what would he not suffer!God Wills It! | William Stearns Davis
Once he paused at the sealed door, and flung himself against it—adamant had scarce seemed firmer.God Wills It! | William Stearns Davis
And how I thanked my God for the adamant bulwarks of coral that protected my ark from the fury of the treacherous seas!The Adventures of Louis de Rougemont | Louis de Rougemont
I went to General Kock and pleaded with him, but he was adamant.My Reminiscences of the Anglo-Boer War | Ben Viljoen.
He moistened his lips, and glanced at her for succor, but she was adamant.Mr. Opp | Alice Hegan Rice
British Dictionary definitions for adamant
unshakable in purpose, determination, or opinion; unyielding
a less common word for adamantine (def. 1)
any extremely hard or apparently unbreakable substance
a legendary stone said to be impenetrable, often identified with the diamond or loadstone
- adamantly, adverb
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