pest 
/ˈpɛst/ noun
plural pests /ˈpɛst/ noun [count] 1 : an animal or insect that causes problems for people especially by damaging crops
▪ These insects/birds are pests for farmers. ▪ agricultural/garden pests ▪ mice and other household pests — often used before another noun ▪ pest control/management 2 informal : a person who bothers or annoys other people
▪ You're being a real pest. Would you leave us alone, please?
▪ These insects/birds are pests for farmers. ▪ agricultural/garden pests ▪ mice and other household pests — often used before another noun ▪ pest control/management
▪ You're being a real pest. Would you leave us alone, please?
