What does infallible mean?

Definitions for infallible
ɪnˈfæl ə bəlin·fal·li·ble

This dictionary definitions page includes all the possible meanings, example usage and translations of the word infallible.

Princeton's WordNet

  1. infallibleadjective

    incapable of failure or error

    "an infallible antidote"; "an infallible memory"; "the Catholic Church considers the Pope infallible"; "no doctor is infallible"


  1. infallibleadjective

    Without fault or weakness; incapable of error or fallacy.

    He knows about many things, but even he is not infallible.

  2. infallibleadjective

    certain, sure.

  3. Etymology: From infallibilis, from in- + fallibilis. Compare French infaillible.

Samuel Johnson's Dictionary

  1. Infallibleadjective

    Privileged from errour; incapable of mistake; not to be misled or deceived; certain.

    Etymology: infallible, Fr. in and fallible.

    Every cause admitteth not such infallible evidence of proof, as leaveth no possibility of doubt or scruple behind it. Richard Hooker.

    Believe my words;
    For they are certain and infallible. William Shakespeare, Henry VI.

    The success is certain and infallible, and none ever yet miscarried in the attempt. Robert South, Sermons.

Webster Dictionary

  1. Infallibleadjective

    not fallible; not capable of erring; entirely exempt from liability to mistake; unerring; inerrable

  2. Infallibleadjective

    not liable to fail, deceive, or disappoint; indubitable; sure; certain; as, infallible evidence; infallible success; an infallible remedy

  3. Infallibleadjective

    incapable of error in defining doctrines touching faith or morals. See Papal infallibility, under Infallibility

  4. Etymology: [Pref. in- not + fallible: cf. F. infallible.]

Chambers 20th Century Dictionary

  1. Infallible

    in-fal′i-bl, adj. incapable of error: trustworthy: certain.—ns. Infall′ibilism; Infall′ibilist; Infallibil′ity.—adv. Infall′ibly.—The doctrine of infallibility in the R.C. Church, since 1870, is that the Pope, when speaking ex cathedrâ, is kept from error in all that regards faith and morals.

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  1. Chaldean Numerology

    The numerical value of infallible in Chaldean Numerology is: 5

  2. Pythagorean Numerology

    The numerical value of infallible in Pythagorean Numerology is: 1

Examples of infallible in a Sentence

  1. Joe Ruggiero:

    Catholics believe the pope is infallible in issues of faith, not issues of politics.

  2. Christina Pushaw:

    Governor DeSantis seeks the best advice and expertise from all over the world; his detractors simply accept the proclamations of the CDC as though they are infallible, however, the CDC’s guidance has flip-flopped many times, and U.S. public health authorities have lost the trust of the American people. In other countries, COVID-19 is not as politicized, so it makes sense that the EU is following a more data-driven, pro-child approach. Biden is leaning into his signature issue – forced-masking kindergarteners – to distract from the catastrophe in Afghanistan.

  3. Pennsylvania Gov. Tom Wolf:

    If the Commonwealth of Pennsylvania is going to take the irrevocable step of executing a human being, its capital sentencing system must be infallible, pennsylvania's system is riddled with flaws, making it error prone, expensive and anything but infallible.

  4. Foad Izadi:

    In the Assembly of Experts the principalists( hardliners) lost seats. That part is more complicated because the people sitting there are theologians, jurists not necessarily politicians, but they do have a lot of power, in the Shi’ite theology the leader is not infallible.

  5. Kurt Herbert Alder:

    The only infallible criterion of wisdom to vulgar minds -- success.

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"infallible." Definitions.net. STANDS4 LLC, 2023. Web. 9 Jun 2023. <https://www.definitions.net/definition/infallible>.

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