As a Noun: 1. Something which causes difficulties or problems in an intrusive way or in a way which makes you slightly angry, or is a difficulty or problem in itself. English = trouble, hassle, bother, irritation, nuisance, annoyance. As a Verb or Adjective: 1. To cause or give difficulties or problems to someone in a way that makes them slightly angry. English = trouble, hassle, bother, irritate, annoy. 2. To make you feel slightly angry because it gives you problems or difficulties. English = (be) troublesome, (be) bothersome, (be) irritating, (be) annoying.