/ Dictionary / Index P pesky: Meaning and Definition of Find definitions for: pes•ky Pronunciation: (pes'kē), [key] — -ki•er, -ki•est. annoyingly troublesome: bothered by a pesky fly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pesky (Thesaurus) Peshitta peso Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language