continuing without interruption; ceaseless; unending: an incessant noise.

Origin of incessant

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 formsin·ces·san·cy, in·ces·sant·ness, nounin·ces·sant·ly, adverb

Synonyms for incessant

Antonyms for incessant Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for incessant

Contemporary Examples of incessant

Historical Examples of incessant

  • The flashes of lightning were incessant, and nearly blinded me.

    Ned Myers

    James Fenimore Cooper

  • The footsteps were incessant, and the hurry of them became more and more rapid.

    A Tale of Two Cities

    Charles Dickens

  • I have not had a moment to spare from incessant toil since the 8th.

  • I don't mean that he tells stories; but it's just his incessant grumbling.

    Great Uncle Hoot-Toot

    Mrs. Molesworth

  • The murmur of pleasant conversation was incessant and musical.

    The Avenger

    E. Phillips Oppenheim

British Dictionary definitions for incessant



not ceasing; continual
Derived Formsincessancy or incessantness, nounincessantly, adverb

Word Origin for incessant

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

Word Origin and History for incessant

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