1Unexpected or surprising — describing something that happens contrary to what was anticipated. Commonly used as 意外だ, 意外に, or 意外と.
彼が欠席するとは意外だ。
It's surprising that he is absent.
試験は意外と簡単だったので驚いた。
I was surprised because the exam was unexpectedly easy.
意外にも彼女はその問題をすぐに解決した。
Surprisingly, she solved the problem immediately.