Nuisance (noun)

1. Something or someone that is annoying or causes problems.
2. An annoyance that is not serious but is persistent.

Origin:

From old french word "nuisance" which means annoyance, inconvenience.

Examples:

1. The loud music next door was a real nuisance.
2. He is a nuisance that always seems to show up uninvited.
3. The mosquito buzzing around my ear was a nuisance.
4. The broken elevator was a nuisance for the building's tenants.
5. The constant traffic jams are a nuisance for commuters.