pesky

[ pes-kee ]
/ ˈpɛs ki /

adjective, pes·ki·er, pes·ki·est. Informal.

annoyingly troublesome; pesty: bothered by a pesky fly.

Origin of pesky

1765–75; irregular formation from pest + -y1

Related forms

pesk·i·ly, adverbpesk·i·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for pesky

pesky

/ (ˈpɛskɪ) /

adjective peskier or peskiest

informal, mainly US and Canadian troublesomepesky flies

Derived Forms

peskily, adverbpeskiness, noun

Word Origin for pesky

C19: probably changed from pesty; see pest
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