ad·a·man·tine
(ăd′ə-măn′tēn′, -tīn′, -tĭn)adj.
1. Made of or resembling adamant.
2. Having the hardness or luster of a diamond.
3. Unyielding; inflexible: "If there is one dominant trait that emerges from this account, it is adamantine willpower" (Eugene Linden).
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
adamantine
(ˌædəˈmæntaɪn)adj
1. very hard; unbreakable or unyielding
2. having the lustre of a diamond
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ad•a•man•tine
(ˌæd əˈmæn tin, -tɪn, -taɪn)adj.
1. utterly unyielding or firm; hard.
2. like a diamond in luster.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
| Adj. | 1. |  adamantine - consisting of or having the hardness of adamant |
| 2. |  adamantine - having the hardness of a diamond hard - resisting weight or pressure | |
| 3. | adamantine - impervious to pleas, persuasion, requests, reason; "he is adamant in his refusal to change his mind"; "Cynthia was inexorable; she would have none of him"- W.Churchill; "an intransigent conservative opposed to every liberal tendency" inflexible - incapable of change; "a man of inflexible purpose" |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
adamantine
adjectiveFirmly, often unreasonably immovable in purpose or will:
adamant, brassbound, die-hard, grim, implacable, incompliant, inexorable, inflexible, intransigent, iron, obdurate, relentless, remorseless, rigid, stubborn, unbendable, unbending, uncompliant, uncompromising, unrelenting, unyielding.
Idiom: stubborn as a mule.
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
adamantine
adj (liter, lit) → diamanten (liter); (fig) → hartnäckig
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007