Synonyms of unassailable

unassailable

adjective

ˌən-ə-ˈsā-lə-bəl 

as in sacred

not to be violated, criticized, or tampered with

one of the unassailable beliefs of that political party

Synonyms & Similar Words

• sacred
• holy
• inviolable
• pure
• untouchable
• sacrosanct
• protected
• privileged
• hallowed
• secure
• immune
• inviolate
• exempt
• shielded

Antonyms & Near Antonyms

• irreverent
• blasphemous
• profane
• sacrilegious

Example Sentences

Recent Examples of unassailable

Beat a potential competitor in September, and a December debate may already have an unassailable answer. — Eddie Brown, San Diego Union-Tribune, 3 Sep. 2026

It's got a great business, unassailable business, not a monopoly, but close to it. — Alexa Lomonaco, CNBC, 31 Aug. 2026

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

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