un·​as·​sail·​able | \ ˌən-ə-ˈsā-lə-bəl \

Definition of unassailable 

: not assailable : not liable to doubt, attack, or question an unassailable argument an unassailable alibi

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Other Words from unassailable

unassailability \ ˌən-​ə-​ˌsā-​lə-​ˈbi-​lə-​tē \ noun
unassailableness \ ˌən-​ə-​ˈsā-​lə-​bəl-​nəs \ noun
unassailably \ ˌən-​ə-​ˈsā-​lə-​blē \ adverb

Examples of unassailable in a Sentence

one of the unassailable beliefs of that political party

Recent Examples on the Web

There are loopholes in all of this, but there’s an unassailable consensus that these rules are far better than the alternative. Franklin Foer, The Atlantic, "It’s Time to Regulate the Internet," 21 Mar. 2018 Consumer advocates and banking experts say the banks’ large size, mostly a result of consolidation earlier this century, has encouraged them to feel unassailable. Rob Taylor, WSJ, "Australia’s Banks Pursued Profits Over Integrity, Probe Finds," 28 Sep. 2018 But the incumbent tech firms’ size, computing infrastructure, proprietary data and balance-sheets give them an unassailable advantage. The Economist, "AI providers will increasingly compete with management consultancies," 28 Mar. 2018 Their 23-16 Senate majority could be in jeopardy, while their House majority is probably unassailable: 76-41. Dylan Scott, Vox, "9 states where Democrats can win back legislative control from Republicans in 2018," 30 July 2018 Bocchi appeared unflappable and Texas (42-21) proved unassailable in a 5-2 win over Tennessee Tech (53-12). Nick Moyle, San Antonio Express-News, "Bocchi, Clemens lead Texas to CWS for 36th time," 11 June 2018 The English actress Emily Watson plays Marmee, the bold and unassailable matriarch of the family. Sophie Gilbert, The Atlantic, "Little Women for the Instagram Generation," 14 May 2018 This list is correct, unassailable, and represents the official opinion of RedEye, the Chicago Tribune and tronc. 1. Ben Meyerson, RedEye Chicago, "Easter candy, ranked," 21 Mar. 2018 Like the original film and the Ant-Man scenes in Civil War, Ant-Man and the Wasp depends heavily on Paul Rudd’s boyish, disarming performance as Scott, who is, after all, not the most unassailable or upright hero. Tasha Robinson, The Verge, "Ant-Man and the Wasp is a solid improvement on Ant-Man," 6 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unassailable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unassailable

1596, in the meaning defined above

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Last Updated

14 Jan 2019

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Time Traveler for unassailable

The first known use of unassailable was in 1596

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English Language Learners Definition of unassailable

: not able to be doubted, attacked, or questioned

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More from Merriam-Webster on unassailable

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marked by shyness and lack of polish

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