興味深かった

was interesting

→ 興味深い
興味 interest + deep + かっ Past tense + Past tense
adjective · past Rare #41,850
was interesting
JA: その本はとても興味深かったです。
EN: That book was very interesting.
Forms of 興味深い
興味深い興味深かった

あれ興味深かった

That was interesting, wasn't it?

その映画は私達みんなにとって興味深かった

That movie was interesting to all of us.

旅行で食べたもので一番興味深かったものは何ですか

What was the most interesting thing you ate on your trip?

その話はとても興味深かった

That story was very interesting.