Definition of indubitable in English:

indubitable

adjective

  • Impossible to doubt; unquestionable.

    ‘an indubitable truth’
    • ‘This fact about induction, we are told, is the difficulty that makes science fall short of telling us indubitable truths about the world.’
    • ‘I look for the driver's expression in their rear-view mirror, but their windows are fitted with tinted glass that hides their indubitable, apoplectic rage.’
    • ‘One of the indubitable masterpieces of his later years is the pitiless Self-Portrait in a Dressing-Room Mirror.’
    • ‘They say he has used his indubitable oratorical powers to fire the blood of the mob, only to later run for cover, disavowing his responsibility for violence.’
    • ‘Pius IX made his furious rejection of liberalism and national unification indubitable upon his return to Rome.’
    • ‘Newton repudiated the Cartesian programme of deducing scientific laws from indubitable metaphysical principles.’
    • ‘Meme theory strikes many as so obviously true as to be indubitable.’
    • ‘All right, Callahan, as fun as this little debate is, it's far too early for me to doubt my existence when it clearly is indubitable.’
    • ‘To me, the word ‘revolution’ means death, havoc, dogs of war, and a whole ton of stuff I'm not getting into unless you show me a big, indubitable reason.’
    • ‘The story has many variants, but all of them reflect an indubitable truth - China-made toys are taking a great market share in global markets.’
    • ‘According to Mill, many mathematical propositions are not even true at all, let alone necessarily true and indubitable, and let alone a priori knowable.’
    • ‘If this is so, no judgement, however modest, is absolutely indubitable.’
    • ‘Also, the indubitable suffering of the many people who might be helped by stem cell therapy ought to weigh heavily in the complex moral equation.’
    • ‘I certainly do not yet concede that it actually exists, until this is proved to me by an indubitable argument.’
    • ‘This is evidently about an experience, an indubitable fact (that one may think a liar, but that has been brought into being nevertheless).’
    • ‘This faith in the indubitable certainty of mathematical proofs was sadly shaken around 1900 by the discovery of the antinomies or paradoxes of set theory.’
    • ‘Aristotle thus does not argue that it is a necessary truth (that is, he does not try to prove the it); rather, he argues that it is indubitable.’
    • ‘War efforts are equated with indubitable patriotism.’
    unquestionable, undoubtable, indisputable, unarguable, inarguable, undebatable, incontestable, undeniable, irrefutable, incontrovertible, unmistakable, unequivocal, certain, sure, positive, definite, absolute, conclusive, emphatic, categorical, compelling, watertight, clear, clear-cut
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Origin

Late Middle English: from Latin indubitabilis, from in- ‘not’ + dubitabilis (see dubitable).

Pronunciation

indubitable

/ɪnˈdjuːbɪtəb(ə)l/