unshakable

U1N1S1H4A1K5A1B3L1E1

adjective

Not able to be shaken; firm, solid.

Similar
firmsteadfaststeadystiffunbendableunfalteringunwaveringresolute
Opposite
shakable
OriginEnglish shakable ← Middle English schaken ← Old English sċacan →
UncommonScrabble 19
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Meanings

adjectiveunshakable (comparative more unshakable, superlative most unshakable)

comparative more unshakable · superlative most unshakable · alternative unshakeable

  1. Not able to be shaken; firm, solid.

    Antonyms: shakable

  2. Resolute, unfaltering, unwavering.
  3. figurativelyHaving no errors or loopholes; unassailable.

Synonyms & antonyms

adjectiveNot able to be shaken; firm, solid.

Opposite
shakable

More synonyms by meaning

adjectivemarked by firm determination or resolution; not shakable

Similar
firmsteadfaststeadystiffunbendableunfalteringunwaveringresolute

adjectivewithout flaws or loopholes

Similar
unassailablewatertightbulletproofironcladincontestableincontestible
Also see
bulletproofcast ironfirmincontestableironcladsteadfaststeadystiffunassailableunbendableunfalteringunwaveringwatertight

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Germanic*un-
  4. Proto-West Germanic*un-
  5. Old Englishun-
  6. Middle Englishun-
  7. Englishun-
  8. Proto-Indo-European*skek-
  9. Proto-Germanic*skakaną
  10. Proto-West Germanic*skakan
  11. Old Englishsċacan
  12. Middle Englishschaken
  13. Englishshake
  14. Englishshakable
  15. Englishunshakable

From un- + shakable.

Full word history & related roots →

Translations

Bulgarian непоклатим, непоколебим
  • непоклатим (nepoklatim)not able to be shaken
  • непоколебим (nepokolebim)not able to be shaken
Dutch onwrikbaar
  • onwrikbaarnot able to be shaken
French inébranlable
  • inébranlablenot able to be shaken
German unerschütterlich
  • unerschütterlichnot able to be shaken
Greek ακατάλυτος
  • ακατάλυτος (akatálytos)not able to be shaken
Irish daingean, diongbháilte
  • daingeannot able to be shaken
  • diongbháiltenot able to be shaken
  • dochtnot able to be shaken
  • dochorraithenot able to be shaken
  • dobhogthanot able to be shaken
  • dochumhscaithenot able to be shaken
Italian incrollabile
  • incrollabilenot able to be shaken
Portuguese inabalável
  • inabalávelnot able to be shaken
Spanish inquebrantable
  • inquebrantablenot able to be shaken
Cite this entry
APA

unshakable. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/unshakable

MLA

“unshakable.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/unshakable. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “unshakable,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/unshakable.

Source: unshakable on Wiktionary, CC BY-SA 4.0.