unassailable

adjective

un·​as·​sail·​able ˌən-ə-ˈsā-lə-bəl How to pronounce unassailable (audio)
Synonyms of unassailablenext
: not assailable : not liable to doubt, attack, or question
an unassailable argument
an unassailable alibi
unassailability
ˌən-ə-ˌsā-lə-ˈbi-lə-tē How to pronounce unassailable (audio)
noun
unassailableness
ˌən-ə-ˈsā-lə-bəl-nəs How to pronounce unassailable (audio)
noun
unassailably
ˌən-ə-ˈsā-lə-blē How to pronounce unassailable (audio)
adverb

Synonyms of unassailable

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Examples of unassailable in a Sentence

one of the unassailable beliefs of that political party
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For more than a decade, India’s leader Narendra Modi has seemed politically unassailable, presiding over a government that has outmaneuvered opponents, dominated public discourse and squeezed the space for dissent in the world’s biggest democracy. — Rhea Mogul, CNN Money, 28 July 2026 This parcours was conceived to prevent Pogačar from seizing an unassailable lead too early in the race, with just one stage in the high Pyrenees, and the next truly difficult summit finish not reached until Le Markstein on stage 14. — Jacob Whitehead, New York Times, 26 July 2026 Blatter looked unassailable right up to the moment he was toppled; his long-running heir apparent was also pushed out, which is how Infantino ended up as FIFA president in the first place. — David A. Graham, The Atlantic, 6 July 2026 Peru's right-wing presidential candidate Keiko Fujimori built what may be an unassailable lead on Tuesday as vote counting for the runoff election entered its final stages, official figures showed. — CBS News, 24 June 2026 See All Example Sentences for unassailable

Word History

First Known Use

1596, in the meaning defined above

Time Traveler
The first known use of unassailable was in 1596

Rhymes for unassailable

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Browse Nearby Words

unaspiring
unassailable
unassailed
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Cite this Entry

“Unassailable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unassailable. Accessed 4 Aug. 2026.

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Kids Definition

unassailable

adjective
un·​as·​sail·​able ˌən-ə-ˈsā-lə-bəl How to pronounce unassailable (audio)
: not assailable : not open to doubt, attack, or question
unassailably
-blē How to pronounce unassailable (audio)
adverb

More from Merriam-Webster on unassailable

Nglish: Translation of unassailable for Spanish Speakers

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