utterly unyielding in attitude or opinion in spite of all appeals, urgings, etc.
too hard to cut, break, or pierce.
noun
any impenetrably or unyieldingly hard substance.
a legendary stone of impenetrable hardness, formerly sometimes identified with the diamond.
Origin of adamant
before 900; Middle English <Old French adamaunt<Latin adamant- (stem of adamas) hard metal (perhaps steel), diamond <Greek, equivalent to a-a-6 + -damant- verbal adjective of damân to tame, conquer; replacing Old English athamans (<Medieval Latin ) and Middle English aymont<Middle French aimant<Vulgar Latin *adimant-<Latin
SYNONYMS FOR adamant
1 inflexible, rigid, uncompromising.
SEE SYNONYMS FOR adamant ON THESAURUS.COM
ANTONYMS FOR adamant
1 flexible, easygoing, yielding.
SEE ANTONYMS FOR adamant ON THESAURUS.COM
OTHER WORDS FROM adamant
ad·a·man·cy[ad-uh-muhn-see], /ˈæd ə mən si/, ad·a·mance,nounad·a·mant·ly,adverbun·ad·a·mant,adjective
I was adamant about staying active as much as my body could endure.
The Anatomy Of A Breast Cancer Survivor: ‘Early Detection Saved My Life’|Charli Penn|October 6, 2020|Essence.com
Barbara Bry, his opponent in the race, also a Democrat, was more adamant.
San Diego Democrats Struggle With Proposition 15|Scott Lewis|October 5, 2020|Voice of San Diego
FDA regulators are adamant that a vaccine will not be approved until it is demonstrated to be safe and effective.
Why it’s still unlikely we’ll have a Covid-19 vaccine before Election Day|Umair Irfan|September 30, 2020|Vox
Gordon points out that selectively cutting one out of three old growth trees can be a good thing by opening up more light, but he’s adamant that clear-cutting should no longer be allowed in Alaska.
Loggers could soon slice through one of the most important forests in the US|By Bjorn Dihle/ Outdoor Life|September 30, 2020|Popular Science
The Postal Service has been adamant that it can handle a nationwide increase in voting by mail in the general election.
Poorly Protected Postal Workers Are Catching COVID-19 by the Thousands. It’s One More Threat to Voting by Mail.|by Maryam Jameel and Ryan McCarthy|September 18, 2020|ProPublica
Even the most adamant Obamacare opponent must acknowledge, as Kasich has, that its coverage expansion has helped some people.
John Kasich: The GOP’s Hobbled 2016 Dark Horse|W. James Antle III|November 3, 2014|DAILY BEAST
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|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|DAILY BEAST
Despite all the visual cues which might suggest otherwise, Manning was adamant that he was not trying to promote himself.
‘Crazy’ Harlem Pastor Hates on Obama and Gays|Olivia Nuzzi|September 28, 2014|DAILY BEAST
Many of the survivors were adamant that the fighters were made up of foreign nationals from all over the world.
Rape and Sexual Slavery Inside an ISIS Prison|Ford Sypher|August 28, 2014|DAILY BEAST
There must then be in beauty and virtue an invincible charm, that opens gates of adamant and softens hearts of steel.
Voltaire's Romances|Franois-Marie Arouet
A little dust of snow, fine and dry as flour, whirled about her, and the trail was hard as adamant beneath her pony's feet.
Delilah of the Snows|Harold Bindloss
And then we were brought on the Adamant, and handcuffed again.
The Road to Paris|Robert Neilson Stephens
Jack and his sister had an unhappy hour over it, but Jean was adamant in her decision.
Neighbours|Robert Stead
The property might be sold or squandered,—but the political creed was fixed as adamant.
The Prime Minister|Anthony Trollope
British Dictionary definitions for adamant
adamant
/ (ˈædəmənt) /
adjective
unshakable in purpose, determination, or opinion; unyielding
a less common word for adamantine (def. 1)
noun
any extremely hard or apparently unbreakable substance
a legendary stone said to be impenetrable, often identified with the diamond or loadstone
Derived forms of adamant
adamantly, adverb
Word Origin for adamant
Old English: from Latin adamant-, stem of adamas, from Greek; literal meaning perhaps: unconquerable, from a-1 + daman to tame, conquer