noun-modifying (irregular)
Prenominal adjective used to describe something that is amusing, funny, or interesting. Often appears in compounds like 面白い (おもしろい) or 面白半分 (おもしろはんぶん).
He knows many amusing stories.
You shouldn't do that just for fun.
interesting; fascinating; intriguing · amusing; funny; comical · enjoyable; fun; entertaining · good; satisfactory; favorable
interest; appeal; fun
appeal; interest; fascination · fun; enjoyment; entertainment value
be amused; enjoy; find fun
funny story; interesting trivia; fun facts
The historical derivation is uncertain; the spelling is conventionally associated with the meaning 'interesting' or 'amusing'.