Definitions

unassailable

[uhn-uh-sey-luh-buhl] / ˌʌn əˈseɪ lə bəl /

ADJECTIVE

certain

Synonyms

STRONGEST

absolute conclusive indisputable infallible irrefutable undeniable unequivocal

WEAK

ascertained authoritative clear confirmable definite demonstrable destined determined establishable evident firm fixed genuine guaranteed hard having down pat in the bag inarguable incontestable incontrovertible indubitable known on ice plain positive predestined provable real reliable safe salted away set sound supreme sure sure thing true trustworthy unambiguous undisputable undoubted unerring unmistakable unquestionable verifiable

Antonyms

STRONGEST

disputable doubtful dubious imperfect indefinite questionable refutable uncertain unsure vague

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The "Inexplicably Hitherto Unassailable Section" of the US celebrity market seems to be having quite a clearout.

From The Guardian • Apr. 8, 2011

This gave a long period of peace, in which the Sacred Entity, the Unassailable Authority, took concrete form.

From Nonsenseorship by Putnam, G. G.

Her slightest wish had always been to them an Unassailable law.

From One Day A sequel to 'Three Weeks' by Anonymous

Unassailable by nitric acid, they retain their sombre tint after treatment as before, whereas the portions stripped of their pigment by the reagent become almost as transparent as glass.

From The Glow-Worm and Other Beetles by Teixeira de Mattos, Alexander

Vocabulary lists containing unassailable

Julius Caesar

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

A Doll's House

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

100 SAT Words Beginning with "U"

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!