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[in-ses-uh nt] /ɪnˈsɛs ənt/
continuing without interruption; ceaseless; unending:
an incessant noise.
Origin of incessant
late Middle English
1425-75; late Middle English incessaunte < Late Latin incessant-, equivalent to Latin in- in-3 + cessant- (stem of cessāns), present participle of cessāre to stop work; see cease, -ant
Related forms
incessancy, incessantness, noun
incessantly, adverb
unceasing, constant, continuous, never-ending, perpetual; eternal, everlasting; relentless, unrelenting, unremitting.
intermittent. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for incessancy
Historical Examples
  • Couple with this incessancy of action the loftiness and ardour of his aspirations.

    Sermons Clement Bailhache
  • But now fatigue a little deadened him to that incessancy of life, it seemed now just an eternal circling.

    The World Set Free Herbert George Wells
  • The air was tense and restless with murmured prayer and the incessancy of "sacring-bells."

  • In recapitulating the history of Uruguay at this period the incessancy of the stream of warlike events is amazing.

    Uruguay W. H. Koebel
British Dictionary definitions for incessancy


not ceasing; continual
Derived Forms
incessancy, incessantness, noun
incessantly, adverb
Word Origin
C16: from Late Latin incessāns, from Latin in-1 + cessāre to cease
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
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Word Origin and History for incessancy

1610s; see incessant + -cy.



mid-15c., from Old French incessant (mid-14c.), from Late Latin incessantem (nominative incessans) "unceasing," from Latin in- "not" (see in- (1)) + cessantem (nominative cessans), present participle of cessare "cease" (see cease). Related: Incessantly (early 15c.).

Online Etymology Dictionary, © 2010 Douglas Harper
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