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

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

There could then be a leadership contest, or a coronation, depending on whether other potential candidates think Burnham has an unassailable lead. — Kwiyeon Ha, Los Angeles Times, 19 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

Peru's right-wing presidential candidate Keiko Fujimori built what may be an unassailable lead on Tuesday as vote counting for the runoff election entered its final stages, official figures showed. — CBS News, 24 June 2026