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interesting; fascinating; intriguing; enthralling
amusing; funny; comical
enjoyable; fun; entertaining; pleasant; agreeable
good; satisfactory; favourable; desirable; encouraging
この本はとても面白いよ。
This book is really interesting.
彼は面白い人だと思う。
I think he's funny.
面白くなかったら途中でやめます。
If it's not interesting, I'll stop midway.