Breadcrumb Home > Dictionary > Index P Cite pester: Meaning and Definition of Find definitions for: pes•ter Pronunciation: (pes'tur), [key] ? v.t. to bother persistently with petty annoyances; trouble: Don't pester me with your trivial problems. to overcrowd. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. See also: pester (Thesaurus) Pestalozzi pesthole TrendingHere are the facts and trivia that people are buzzing about. February 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: puerile Analogy of the Day: Today?s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language