Japanese word for "interesting." Also can mean "funny," "amazing," or "amusing." One of the most common words in modern Japanese conversation. Try it out in these flavors:
omoshiroi desu - That / It is interesting.
omoshiro-ku arimasen - That / It is not interesting.
omoshiro-katta desu - That / It was interesting.
omoshiro-ku arimasen deshita - That / It wasn't interesting.