pesterv. t.[Abbrev. fr. impester, fr. OF. empaistrier, empestrer, to entangle the feet or legs, to embarrass, F. emptrer; pref. em-, en- (L. in in) + LL. pastorium, pastoria, a fetter by which horses are prevented from wandering in the pastures, fr. L. pastorius belonging to a herdsman or shepherd, pastor a herdsman. See In, and Pasture, Pastor.]1. To trouble; to disturb; to annoy; to harass with petty vexations.()We are pestered with mice and rats. (Dr. H. More.)A multitude of scribblers daily pester the world. (Dryden.)2. To crowd together in an annoying way; to overcrowd; to infest.(Milton.)All rivers and pools . . . pestered full with fishes. (Holland.)