unassailable
Americanadjective
-
not open to attack or assault, as by military force or argument.
unassailable fortifications; unassailable logic.
-
not subject to denial or dispute.
Shakespeare's genius gives his works an unassailable position in world literature.
adjective
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not able to be attacked
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undeniable or irrefutable
Other Word Forms
Etymology
Origin of unassailable
1590–1600; un- 1 + assailable ( def. )
Explanation
The adjective unassailable means without flaws or loopholes. If you are going to get home late (again!), you'd better have an unassailable alibi for your parents, or else you should plan on not seeing the outside of your room for a while. The adjective unassailable also means immune to attack or doubt, such as an unassailable military holding or an unassailable reputation. Unassailable can also mean untouchable or unable to be defeated. If your high school basketball team is leading 92 to 14 with just a couple of seconds to go, the announcer might say you have an unassailable lead. The corrupt politician had so many connections, he seemed unassailable; he always seemed to manage to deflect even a hint of scandal onto others in the party.
Vocabulary lists containing unassailable
Julius Caesar
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A Doll's House
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100 SAT Words Beginning with "U"
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
She was able to hold a consistent “play nice” line because of her unassailable career and how long she’d been at it.
From Salon ● Aug. 27, 2026
"My response is, 'only if it's better than what I do'," said Rayner, stressing his authority as a critic is not unassailable.
From BBC ● Aug. 25, 2026
The central argument of “Democracy Matters,” situated in a single, capacious, airy gallery, is largely unassailable: that our democracy has always been aspirational—a work in progress too often undercut by U.S. laws and practices.
From The Wall Street Journal ● Jul. 2, 2026
But then I hear Chad Bianco and Steve Hilton mewl, and I’m suddenly hoping alongside Anita that someone vanquishes their foes with an unassailable vision.
From Los Angeles Times ● Apr. 28, 2026
The whole world saw him the way he wanted to be seen: as an unassailable force, complete unto himself and in full command of the mysteries of the universe.
From "Strange the Dreamer" by Laini Taylor
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
