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adj. pes·ki·er, pes·ki·est Informal
Troublesome; annoying: a pesky mosquito.
[Probably alteration of pest.]
adj, peskier or peskiest
informal chiefly US and Canadian troublesome: pesky flies.
[C19: probably changed from pesty; see pest]
adj. -ki•er, -ki•est.
annoying: a pesky fly.
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|Adj.||1.||pesky - causing irritation or annoyance; "tapping an annoying rhythm on his glass with his fork"; "aircraft noise is particularly bothersome near the airport"; "found it galling to have to ask permission"; "an irritating delay"; "nettlesome paperwork"; "a pesky mosquito"; "swarms of pestering gnats"; "a plaguey newfangled safety catch"; "a teasing and persistent thought annoyed him"; "a vexatious child"; "it is vexing to have to admit you are wrong"|
annoying, bothersome, galling, irritating, nettlesome, pestering, plaguy, vexatious, vexing, plaguey, teasing, pestiferous
disagreeable - not to your liking; "a disagreeable situation"