<p><strong>Noun:</strong></p><ul><li>an annoying or troublesome person, animal, or thing; nuisance.</li><li>Synonyms: annoyance.</li><li>an insect or other small animal that harms or destroys garden plants, trees, etc.</li><li>a deadly epidemic disease, especially a plague; pestilence.</li><li>Synonyms: epidemic, scourge, pandemic.</li></ul>