• synonyms


[in-tur-muh-nuh-buh l]
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  1. incapable of being terminated; unending: an interminable job.
  2. monotonously or annoyingly protracted or continued; unceasing; incessant: I can't stand that interminable clatter.
  3. having no limits: an interminable desert.
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Origin of interminable

First recorded in 1325–75; Middle English word from Late Latin word interminābilis. See in-3, terminable
Related formsin·ter·mi·na·ble·ness, in·ter·mi·na·bil·i·ty, nounin·ter·mi·na·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for interminable

continuous, limitless, protracted, perpetual, eternal, long-winded, never-ending, incessant, boundless, endless, boring, ceaseless, constant, dull, everlasting, immeasurable, long, permanent, timeless, unceasing

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British Dictionary definitions for interminable


  1. endless or seemingly endless because of monotony or tiresome length
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Derived Formsinterminability or interminableness, nouninterminably, adverb
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

Word Origin and History for interminable


late 14c., from Late Latin interminabilis, from in- "not" (see in- (1)) + terminabilis, from terminalis (see terminal). Related: Interminably.

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Online Etymology Dictionary, © 2010 Douglas Harper