Dictionary.com

impregnable

1
[ im-preg-nuh-buhl ]
/ ɪmˈprɛg nə bəl /
Save This Word!
See synonyms for: impregnable / impregnability on Thesaurus.com

adjective

strong 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.

QUIZZES

QUIZ YOURSELF ON "WAS" VS. "WERE"!

Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of impregnable

1
First recorded in 1400–50; late Middle English impregnable, imprenable, from Middle French, equivalent to im- im-2 + prenable pregnable

synonym study for impregnable

1, 2. See invincible.

OTHER WORDS FROM impregnable

im·preg·na·bil·i·ty, im·preg·na·ble·ness, nounim·preg·na·bly, adverb

Definition for impregnable (2 of 2)

impregnable2
[ im-preg-nuh-buhl ]
/ ɪmˈprɛg nə bəl /

adjective

susceptible to impregnation, as an egg.

Origin of impregnable

2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for impregnable

British Dictionary definitions for impregnable (1 of 2)

impregnable1
/ (ɪmˈprɛɡnəbəl) /

adjective

unable to be broken into or taken by forcean impregnable castle
unable to be shaken or overcomeimpregnable self-confidence
incapable of being refutedan impregnable argument

Derived forms of impregnable

impregnability or impregnableness, nounimpregnably, adverb

Word Origin for impregnable

C15 imprenable, from Old French, from im- (not) + prenable able to be taken, from prendre to take

British Dictionary definitions for impregnable (2 of 2)

impregnable2

impregnatable (ˌɪmprɛɡˈneɪtəbəl)

/ (ɪmˈprɛɡnəbəl) /

adjective

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
FEEDBACK