unassailable

adjective 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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unassailability

play \ˌən-ə-ˌsā-lə-ˈbi-lə-tē\ noun

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unassailableness

play \ˌən-ə-ˈsā-lə-bəl-nəs\ noun

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unassailably

play \ˌən-ə-ˈsā-lə-blē\ adverb

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Examples of unassailable in a Sentence

one of the unassailable beliefs of that political party

Recent Examples of unassailable from the Web

Her position atop the highly competitive pile of broadcast-television producers was unassailable, and her batting average for launching hit series to the widest possible audience remained strong.

— david sims, The Atlantic, "What Netflix Can Offer Shonda Rhimes," 23 Aug. 2017
Just last month Theresa May was reduced from unassailable iron lady to just-about-managing minority prime minister.

— The Economist, "Britain faces up to Brexit," 22 July 2017
Washington’s place in the playoffs is more or less secure thanks to a virtually unassailable position in the NL East, where the Nationals hold a 9 ½-game lead on the Braves.

— jon tayler, SI.com, "The five must-watch series in MLB for the week of July 17," 17 July 2017
Amazon has a good head start with Prime Day, but its lead is not unassailable.

— michael wade, Fortune, "Apple and Google Need Their Own Prime Day if They Want to Compete With Amazon," 12 July 2017
Balboa Park, its historic buildings and verdant gardens seem permanent and unassailable.

— roger showley, sandiegouniontribune.com, "Committee of 100: Balboa Park's 'conscience' for 50 years," 4 July 2017
There are a host of starting pitchers on the 40-man in Triple-A, although none of them have produced an unassailable resume.

— zach buchanan, Cincinnati.com, "Brandon Finnegan to miss significant time after suffering same injury in different spot," 27 June 2017
Trump's allies counter that Comey made a number of strategic mistakes that punctured his image as an unassailable G-man.

— the washington post, NOLA.com, "Trump sees Comey's testimony as 'complete vindication' - and his fans agree," 11 June 2017
The position of the three major PBMs at the center of the drug distribution system appears to be unassailable for now.

— michael hiltzik, latimes.com, "How the drug industry's 'price-cutting' middlemen make crucial drugs vastly more expensive," 9 June 2017

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.