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Webster's New World College Dictionary » infallible
infallible
infallible definition
in·fal·lible (in fal′ə bəl)
adjective
- incapable of error; never wrong
- not liable to fail, go wrong, make a mistake, etc.; dependable; reliable; sure
- R.C.Ch. incapable of error in setting forth doctrine on faith and morals: said esp. of the pope speaking ex cathedra (i.e., in his official capacity)
noun
an infallible person or thing
Related Forms:
- infallibility in·fal′·libil′·ity noun
- infallibly in·fal′·libly adverb
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