Gatecrasher and Nuisance

Gatecrasher noun - Someone who gets in (to a party) without an invitation or without paying.

Nuisance and gatecrasher are semantically related. in person who trespasses topic. In some cases you can use "Nuisance" instead a noun "Gatecrasher".

Nuisance noun - One who is obnoxiously annoying.

Gatecrasher and nuisance are semantically related. You can use "Gatecrasher" instead a noun "Nuisance".