Definition of PEST

a widespread disease resulting in a high rate of death <one of the great pests of the 20th century was the influenza epidemic of 1918, which killed millions across the globe>
Synonyms pest, pestilence
one who is obnoxiously annoying <stop being a pest to your sister and go find something else to do>
Related Words headache; harrier, heckler, interrupter (also interruptor); hassle, plague; harasser, molester, tormentor (also tormenter), torturer
Near Antonyms charmer, smoothy (or smoothie); comforter, solacer, soother
something that is a source of irritation <a never-ending construction project that continues to be a pest for motorists>
Near Antonyms delight, joy, pleasure

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