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Afoul vs Undefined - What's the difference?

afoul | undefined |

As an adverb afoul

is in a state of entanglement or conflict with.

As an adjective undefined is

lacking a definition or value.

afoul

English

Adverb

(en adverb)
  • In a state of entanglement or conflict with.
    • He had a knack for running afoul of the law.

    Related terms

    * foully

    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