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Infallible

//ɪnˈfæl.ɪ.bl̩// adj, noun

Definitions

Adjective
  1. 1
    Without fault or weakness; incapable of error or fallacy.

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

  2. 2
    Certain to produce the intended effect; sure.

    "Try this infallible cure for hiccups."

Adjective
  1. 1
    incapable of failure or error wordnet
Noun
  1. 1
    A person who, or an object or process that, is taken as being infallible.

Etymology

Etymology 1

From Medieval Latin infallibilis, from Latin in- + fallibilis. Compare French infaillible. By surface analysis, in- + fallible.

Etymology 2

From Medieval Latin infallibilis, from Latin in- + fallibilis. Compare French infaillible. By surface analysis, in- + fallible.

See also for "infallible"

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