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[pes-ter] /ˈpɛs tər/
verb (used with object)
to bother persistently with petty annoyances; trouble:
Don't pester me with your trivial problems.
Obsolete. to overcrowd.
Origin of pester
1530-40; perhaps aphetic variant of empester, impester to tangle, encumber (though pester is found earlier than these 2 words) < Middle French empestrer to hobble, entangle < Vulgar Latin *impāstōriāre to hobble, equivalent to im- im-1 + pāstōri(a) a hobble, noun use of Latin pāstōrius of a herdsman or shepherd + -āre infinitive suffix (see pastor); aphetic form apparently reinforced by pest (cf. -er6)
Related forms
pesterer, noun
pesteringly, adverb
pestersome, adjective
unpestered, adjective
1. annoy, vex, tease, disturb; irritate, provoke, plague; badger, harry, hector.
1. delight, entertain. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for pester
Contemporary Examples
Historical Examples
  • Williams has been complainin' to the selectmen and they're beginnin' to pester me.

    The Depot Master Joseph C. Lincoln
  • So long as they think she's got a cent comin' to her they'll pester her in every way they can, I believe.

    Kent Knowles: Quahaug Joseph C. Lincoln
  • You must not think, because I pester you not with questions, I have no curiosity.

  • I blurted out "What is he that he should pester his betters with his attentions?"

    John Splendid Neil Munro
  • Do you want me to pester every office in the government with new inquiries?

    Paul Patoff

    F. Marion Crawford
  • The modern meaning of pester is due to a wrong association with pest.

  • Any dogs that can trace the elephant and pester him with their barring would do.

    The Bush Boys Captain Mayne Reid
  • “Will you go away, and not pester me,” cried Jack, turning upon him fiercely.

    Jack at Sea George Manville Fenn
  • What right had she to pester him with questions like that in his own house?

    Reginald Cruden Talbot Baines Reed
British Dictionary definitions for pester


(transitive) to annoy or nag continually
Derived Forms
pesterer, noun
pesteringly, adverb
Word Origin
C16: from Old French empestrer to hobble (a horse), from Vulgar Latin impāstōriāre (unattested) to use a hobble, from pāstōria (unattested) a hobble, from Latin pāstōrius relating to a herdsman, from pastor herdsman
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 pester

1520s, "to clog, entangle, encumber," probably a shortening of Middle French empestrer "place in an embarrassing situation" (Modern French empêtrer, Walloon epasturer), from Vulgar Latin *impastoriare "to hobble" (an animal), from Latin im- "in" + Medieval Latin pastoria (chorda) "(rope) to hobble an animal," from Latin pastoria, fem. of pastorius "of a herdsman," from pastor "herdsman" (see pastor (n.)). Sense of "annoy, trouble" (1560s) is from influence of pest. Related: Pestered; pestering.

Online Etymology Dictionary, © 2010 Douglas Harper
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