undefined

[uhn-di-fahynd]

adjective

1. without fixed limits; indefinite in form, extent, or application.

   undefined authority; undefined feelings of sadness.

2. not given meaning or significance, as by a definition; not defined or explained.

   an undefined term.

undefined

/ ˌʌndɪˈfaɪnd /

adjective

1. not defined or made clear

   the job has remained undefined

Other Word Forms

• undefinedly adverb
• undefinedness noun
• undefinable adjective

Word History and Origins

Origin of undefined¹

First recorded in 1605–15; un- ¹ + define ( def. ) + -ed ² ( def. )

Example Sentences

The nursery hackers, calling themselves Radiant, appear to be concerned that their hack has crossed an undefined moral line since the public outcry began against them.

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Then there’s a possible undefined role with Angel City.

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It was held, even in the South, to be a regrettable evil which the slave states would eventually abolish or allow to die out in some undefined way.

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But experts say that this time, Mrs Trump will likely be more deliberate with her approach to the largely undefined role of being America’s First Lady.

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The first rule allows county election officials to conduct a “reasonable inquiry” — an undefined term — before certifying the results of an election.

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Related Words

• ambiguous 
• fuzzy 
• unclear