A Nuisance

1. A minor annoyance or inconvenience.
2. A person or thing causing annoyance or inconvenience.
3. (law) Anything harmful or offensive to the community or to a member of it, for which a legal remedy exists.

Synonyms

• (minor annoyance or inconvenience): annoyance, inconvenience, offense
• (person or thing causing annoyance or inconvenience): bother, obstacle, pest

Antonyms

• (minor annoyance or inconvenience): enjoyment