Undefined

adj, noun

Definitions

Adjective
  1. 1
    Lacking a definition or value. not-comparable

    "We slid into our office, past two women discussing the "X factor," an apparently undefined quality their firm felt they lacked."

  2. 2
    That does not have a meaning and is thus not assigned an interpretation. not-comparable

    "The result of division by zero is undefined."

Adjective
  1. 1
    not precisely limited, determined, or distinguished wordnet
Noun
  1. 1
    An undefined value.

    "[Option:] · [PDP11:] F [BSD:] · [XE 2.3:] [1] [XE 3.0:] · [SIII:] · [COFF:] · [meaning:] make undefineds global"

Etymology

Etymology 1

From un- + defined.

Etymology 2

From un- + defined.

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