Very interesting; something that strongly attracts interest or provokes thought.
その研究結果は非常に興味深い。
Those research results are very interesting.
彼の話には興味ぶかい点が多かった。
There were many interesting points in his talk.
歴史の授業で聞いた逸話がとても興味深かった。
The anecdote I heard in history class was very interesting.
このデータは興味深い示唆を与えている。
These data provide interesting implications.