Infallible
Not capable of failing; unable to make mistakes.
adjectiveInfallible
Not capable of failing; unable to make mistakes.
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Imagine This
The robot working in a car manufacturing plant has been tested and proven to be incapable of failing or making mistakes.
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Sounds Like
in-FAL-uh-buhl
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Looks Like
In(not) + fallible → Not able to fail or make mistakes; -able is a suffix meaning capable of
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Remember This
Originates from Latin infallibilis (not fallible); historically associated with the concept of papal infallibility in Catholic doctrine.
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Other Forms
Infallibilitynoun
Infalliblyadverb
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Connect With
fallible, reliable, unerring, faultless, impeccable
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Note
Avoid assuming infallibility of people; use primarily for systems, logic, or memories. In everyday speech, infallible is often exaggerated; in formal contexts it should be used cautiously.