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Pesky vs Undefined - What's the difference?

pesky | undefined |

As adjectives the difference between pesky and undefined

is that pesky is annoying, troublesome, irritating while undefined is lacking a definition or value.

pesky

English

Adjective

(er)
  • Annoying, troublesome, irritating.

    • Synonyms

    * See also

    Anagrams

    *

    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