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undefined

adj

Etymology

From un- + defined.

Definitions

  1. Lacking a definition or value.

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

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

    • The result of division by zero is undefined.

  3. An undefined value.

    • [Option:] · [PDP11:] F [BSD:] · [XE 2.3:] [1] [XE 3.0:] · [SIII:] · [COFF:] · [meaning:] make undefineds global
    • Every operation is defined completely either by delivering a value of some type depending only on the types of its operands or by causing some defined exception; there are no ‘undefineds’ in Ten15.
    • The Array object has these commonly-used properties: • .length: the number of items including undefineds.

The neighborhood

Derived

undefined behavior

Vish — recursive loop

A definitional loop anchored at undefined. Each word in the ring is defined by the next; follow the chain far enough and it folds back on itself. Scroll to it and watch.

01undefined02meaning03denotation04connotation05literal06real07artificial08natural09country

A definitional loop anchored at undefined. Each word in the ring appears in the definition of the next; follow the chain far enough and it folds back on itself.

9 hops · closes at undefined

curated · pre-corpus. live cycle detection across the full graph is the next major milestone.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA