Simple Definition of pesky

from our Learner's Dictionary

pesky

adjective

ˈpɛski

peskier; peskiest

US, informal : making someone annoyed or irritated

I've been trying to get rid of this pesky cold for weeks.

pesky insects

pesky reporters

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“Pesky.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/pesky. Accessed 22 Jun. 2026.

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