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Infallible vs Undefined - What's the difference?

infallible | undefined |

As adjectives the difference between infallible and undefined

is that infallible is without fault or weakness; incapable of error or fallacy while undefined is lacking a definition or value.

infallible

English

Adjective

(en adjective)
  • Without fault or weakness; incapable of error or fallacy.
    • He knows about many things, but even he is not infallible .
  • certain, sure.
  • * {{quote-book
    • , year=1818 , author=Mary Shelley , title=Frankenstein , chapter=4 citation , passage=I see by your eagerness and the wonder and hope which your eyes express, my friend, that you expect to be informed of the secret with which I am acquainted; that cannot be; listen patiently until the end of my story, and you will easily perceive why I am reserved upon that subject. I will not lead you on, unguarded and ardent as I then was, to your destruction and infallible misery.}}

    Related terms

    * infallibility * infallibly

    Synonyms

    * faultless * perfect * indefective

    Antonyms

    * fallible * defective * faultful * faulty * imperfect

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined