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Synonyms

pesky

American  
[pes-kee] / ˈpɛs ki /

adjective

Informal.
peskier, peskiest
  1. annoyingly troublesome; pesty.

    bothered by a pesky fly.

    Synonyms:
    pestiferous, bothersome, irksome, vexatious

pesky British  
/ ˈpɛskɪ /

adjective

  1. informal troublesome

    pesky flies

"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

Other Word Forms

  • peskily adverb
  • peskiness noun

Etymology

Origin of pesky

1765–75; irregular formation from pest ( def. ) + -y 1 ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Maguro shrimp fishing boat docked in Havana three days later than hoped after battling strong winds, currents and a pesky battery during its journey from Mexico.

From Barron's • Mar. 24, 2026

And the day after the primary—with those pesky voters out of the equation for a couple of months—Gonzales finally gave an interview in which he admitted to the affair.

From Slate • Mar. 7, 2026

Having already attempted to force those suffering in waiting rooms to create their own “patient portals,” Dr. Al-Hashimi goes on to advocate for an AI-supported system to aid the doctors with pesky paper work.

From Los Angeles Times • Mar. 5, 2026

Sometimes it’s a choice as simple as a cream for that pesky rash.

From MarketWatch • Mar. 5, 2026

The admiral’s voice droned on until it was like the buzzing of those pesky gnats that had given Penelope no peace in the forest.

From "The Unseen Guest" by Maryrose Wood