UNASSAILABLE Synonyms: 18 Similar and Opposite Words

unassailable

adjective

ˌən-ə-ˈsā-lə-bəl

Definition of unassailable

as in sacred

not to be violated, criticized, or tampered with one of the unassailable beliefs of that political party

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example Sentences

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.

Recent Examples of unassailable Northern, post-industrial areas such as Makerfield were viewed for years as safe and unassailable Labour seats. — Katie Marie Davies, Christian Science Monitor, 18 June 2026 There could then be a leadership contest, or a coronation, depending on whether other potential candidates think Burnham has an unassailable lead. — ABC News, 18 June 2026 But there is something noble in Gill’s version, in particular the idea that the truth is unassailable and inarguable and therefore the only place from which a real conversation can sprout. — Stephen Deusner, SPIN, 15 June 2026 Regulators blocked it, fearing the deal would create an unassailable monopoly. — Tiisetso Motsoeneng, semafor.com, 8 June 2026 See All Example Sentences for unassailable

Recent Examples of Synonyms for unassailable

Adjective

The sacred wind instrument — which is created from a eucalyptus tree trunk or branch naturally hollowed out by termites — was developed a thousand years ago by the Aboriginal community in northern Australia and is often used in cultural ceremonies.

— Andrea Flores, Los Angeles Times, 19 Aug. 2026
Far-right extremists are even encouraging Jewish-Arab violence atop the Temple Mount, the most sacred site in Judaism and the third holiest in Islam, which could ignite anti-Israel religious violence and terrorism in the region.

— Trudy Rubin, Twin Cities, 18 Aug. 2026

Definition of sacred

Adjective

Especially when, during a timeless, holy ritual, your daughter starts rocking out in front of the congregation.

— Risa Polansky Shiman, Sun Sentinel, 19 Aug. 2026
Far-right extremists are even encouraging Jewish-Arab violence atop the Temple Mount, the most sacred site in Judaism and the third holiest in Islam, which could ignite anti-Israel religious violence and terrorism in the region.

— Trudy Rubin, Twin Cities, 18 Aug. 2026

Definition of holy

Browse Nearby Words

unasked

unassailable

unassembled

See all Nearby Words

Cite this Entry

Style

“Unassailable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unassailable. Accessed 26 Aug. 2026.

Copy Citation

Synonyms of unassailable

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

devolve

Popular in Grammar & Usage

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

What's the difference between 'fascism' and 'socialism'?

Commonly Misspelled Words

Popular in Wordplay

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

Why do we say 'break a leg'?

16 Glee-ridden Words from Schitt's Creek

Popular

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Games & Quizzes