- IPA: /ˌʌnəˈseɪləbl̩/
- Secure against attack; impregnable.
- 1599, William Shakespeare, “The Tragedie of Ivlivs Cæsar”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358 ↗, [Act III, scene i], page 119 ↗, column 1:
- Yet in the number, I do know but One / That vnaſſayleable holds on his Ranke, / Vnfhak’d of Motion : and that I am he, / Let me a little ſhew it, euen in this : / That I was conſtant Cymber ſhould be baniſh’d, / And conſtant do remaine to keepe him ſo.
- (by extension) Undeniable, incontestable or incontrovertible.
- Synonyms: incontestable, unopposable
- She won the debate with her unassailable logic.
- French: indéniable, incontestable
- Portuguese: incontestável
- Russian: неопровержи́мый
- Spanish: incontestable
unassailable (plural unassailables)
- Something, such as a belief, that cannot be assailed.