As a Noun: 1. Activity which is enjoyable or amusing. English = fun, amusement. 2. The quality of something being unusual, surprising, or puzzling. English = strangeness, queerness, weirdness, oddity. As a Verb or Adjective: 1. To be amusing and to make you laugh. English = (be) funny, (be) humorous. 2. To be enjoyable or amusing. English = (be) fun. 3. To be unusual, surprising, or puzzling. English = (be) funny, (be) strange, (be) odd, (be) weird, (be) queer.