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indefinable

American  
[in-di-fahy-nuh-buhl] / ˌɪn dɪˈfaɪ nə bəl /

adjective

  1. not definable; not readily identified, described, analyzed, or determined.


noun

  1. something that cannot be defined.

    the indefinables of great musicianship.

indefinable British  
/ ˌɪndɪˈfaɪnəbəl /

adjective

  1. incapable of being defined or analysed

    there was an indefinable sense of terror

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of indefinable

First recorded in 1800–10; in- 3 + definable ( def. )

Vocabulary lists containing indefinable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Of course, beauty is subject to taste and culture and all sorts of indefinable things.

From Los Angeles Times • Jan. 21, 2026

It expresses a general anxiety the prompt of which is indefinable, a nagging sense that has no singularly compelling explanation.

From Salon • Dec. 27, 2024

The crushing of the belief that the Seattle ballclub, by dint of some indefinable flaw in their DNA, would always wilt and wither in crunchtime.

From Seattle Times • Oct. 1, 2022

And there is plenty of beauty in the play’s abstractions; at its heart “Epiphany” is a love letter to the indefinable and unnameable.

From New York Times • Jun. 23, 2022

It gives us comfort to believe we have defined something that is, by its very nature, indefinable.

From "Challenger Deep" by Neal Shusterman

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