WordReference Random House Learner's Dictionary of American English © 2017
pes•ter /ˈpɛstɚ/USA pronunciation   v. [+ object]
  1. to be a pest;
    trouble:Quit pestering me!

WordReference Random House Unabridged Dictionary of American English © 2017
pes•ter  (pestər),USA pronunciation v.t. 
  1. to bother persistently with petty annoyances;
    trouble:Don't pester me with your trivial problems.
  2. Obs. to overcrowd.
pester•er, n. 
pester•ing•ly, adv. 
pester•some, adj. 
  • Vulgar Latin *impāstōriāre to hobble, equivalent. to im- im-1 + pāstōri(a) a hobble, noun, nominal use of Latin pāstōrius of a herdsman or shepherd + -āre infinitive suffix (see pastor); aphetic form apparently reinforced by pest (compare -er6)
  • Middle French empestrer to hobble, entangle
  • perh. aphetic variant of empester, impester to tangle, encumber (though pester is found earlier than these 2 words) 1530–40
    • 1.See corresponding entry in Unabridged annoy, vex, tease, disturb;
      irritate, provoke, plague;
      badger, harry, hector.
    • 1.See corresponding entry in Unabridged delight, entertain.

Collins Concise English Dictionary © HarperCollins Publishers::

pester /ˈpɛstə/ vb
  1. (transitive) to annoy or nag continually
Etymology: 16th Century: 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

ˈpesterer n ˈpesteringly adv

'pester' also found in these entries:

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