impregnable
1strong enough to resist or withstand attack; not to be taken by force, unconquerable: an impregnable fort.
not to be overcome or overthrown: an impregnable argument.
Origin of impregnable
1synonym study For impregnable
Other words for impregnable
Opposites for impregnable
Other words from impregnable
- im·preg·na·bil·i·ty, im·preg·na·ble·ness, noun
- im·preg·na·bly, adverb
Words Nearby impregnable
Other definitions for impregnable (2 of 2)
susceptible to impregnation, as an egg.
Origin of impregnable
2Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use impregnable in a sentence
It was a ponderous labyrinth of bolts, locks, and steel doors, making it an almost impregnable fortress.
When Sherman reached those earthworks, he thought them the most impregnable he had ever seen.
Atlanta’s Fall Foretold The End Of Civil War Bloodshed | Marc Wortman | September 1, 2014 | THE DAILY BEASTHis place in the hearts of most Thai is central and impregnable.
The Real Crisis in Thailand is the Coming Royal Succession | Somchai Samizdat | February 22, 2014 | THE DAILY BEASTMeanwhile, the Russians made the salient virtually impregnable.
WWII’s Greatest Battle: How Kursk Changed the War | Andrew Roberts | August 31, 2013 | THE DAILY BEASTBut it was really the uemployment data that turned out to be his impregnable fortress.
Forget Ohio—September Jobs Report Was Romney’s Undoing | Daniel Gross | November 7, 2012 | THE DAILY BEAST
The Prussians held an apparently impregnable position on the Landgrafenberg, a precipitous hill which commanded the town.
Napoleon's Marshals | R. P. Dunn-PattisonThese are truths—fixed facts, that quaint theory and exhausted moralising, are impregnable to, and fall harmlessly before.
This done, the fort was declared impregnable, and the tired travellers turned in, well assured of complete security.
Gold-Seeking on the Dalton Trail | Arthur R. ThompsonAt the beginning of this year Antwerp, supposed to have been impregnable, surrendered to Marshal Gerard.
The History of England in Three Volumes, Vol.III. | E. Farr and E. H. NolanHere, at least, was a citadel impregnable by right-hand defections or left-hand extremes.
Tales and Fantasies | Robert Louis Stevenson
British Dictionary definitions for impregnable (1 of 2)
/ (ɪmˈprɛɡnəbəl) /
unable to be broken into or taken by force: an impregnable castle
unable to be shaken or overcome: impregnable self-confidence
incapable of being refuted: an impregnable argument
Origin of impregnable
1Derived forms of impregnable
- impregnability or impregnableness, noun
- impregnably, adverb
British Dictionary definitions for impregnable (2 of 2)
impregnatable (ˌɪmprɛɡˈneɪtəbəl)
/ (ɪmˈprɛɡnəbəl) /
able to be impregnated; fertile
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
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