This is the 5514th most frequent Japanese word.
おもしろい
Interesting; amusing; fun.
Here, おもしろい is used to describe the movie as being entertaining or enjoyable to watch.
この映画は本当におもしろいです。
This movie is really interesting.
In this instance, おもしろい characterizes the story as being captivating or engaging.
先生はおもしろい話をしてくれました。
The teacher told us an interesting story.
Here, おもしろい is used to express that the idea is thought-provoking or worthy of interest.