Synonyms of infallible

Adjective


1. infallible (vs. fallible), foolproof, unfailing, inerrable, inerrant, unerring

usage: incapable of failure or error; "an infallible antidote"; "an infallible memory"; "the Catholic Church considers the Pope infallible"; "no doctor is infallible"

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Definition and meaning of infallible (Dictionary)