nuisance UK /ˈnjuː.səns/US /ˈnuː.səns/ noun3 •A minor annoyance or inconvenience.The neighbor's dog barking throughout the night is a right nuisance - I'm going to complain.What a nuisance to have to go now! •A person or thing causing annoyance or inconvenience.You can be such a nuisance when you don't get your way. •Anything harmful or offensive to the community or to a member of it, for which a legal remedy exists. formsnuisances