unassailable

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

Updated on: 20 May 2018

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

Regardless, one principle is unassailable: that you, as woman, have dominion over your physical self, free from coercion, pressure or influence related to your sexuality.

— caleb parke, Fox News, "Commencement speaker at all-women’s college blasted for criticizing #MeToo movement," 17 May 2018
Meanwhile, the Planck team is not budging, either; the validity of its result, team members have consistently said, is practically unassailable.

— lee billings, Scientific American, "Cosmic Conflict: Diverging Data on Universe’s Expansion Polarizes Scientists," 16 May 2018
But, on a deeper level, Mari’s statement is declaring that the show to follow has an unassailable point of view; a manifesto of thought.

— ariana romero, refinery29.com, "Vida Review: It's Unlike Anything Else On TV," 3 May 2018
But mandatory arbitration is coming under increasing attack in the courts, Congress and state legislatures, and those attacks are beginning to make dents in a practice once viewed as unassailable.

— l.m. sixel, San Antonio Express-News, "The ties that bind in mandatory arbitration are unraveling," 17 Apr. 2018
This will be a particularly difficult defeat to accept, with a huge and seemingly unassailable lead evaporating down the stretch.

— jerÉ longman, New York Times, "Notre Dame’s Arike Ogunbowale Beats Buzzer — Again — to Give Irish the Title," 1 Apr. 2018
But the inflated graduation rate reported in 2017 offered a stark example of how seemingly unassailable numbers could be distorted by adults under pressure to show gains.

— valerie strauss, Washington Post, "D.C. school scandals: ‘Tell me that it’s not great and that you’re dealing with it’," 10 Mar. 2018
But her main arguments — that the Second Amendment enabled slave owners and many settlers to persecute black and Native people, and that these devastating power dynamics continue to shape our society — are unassailable.

— kevin canfield, San Francisco Chronicle, "‘Loaded: A Disarming History of the Second Amendment,’ by Roxanne Dunbar-Ortiz," 1 Mar. 2018
Unlike Thatcher’s seemingly unassailable reign, May has turned her vulnerability into a strength.

— Bloomberg.com, "If Tories Want May Gone, Here’s How to Do It," 31 Jan. 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.