意外に

surprisingly

→ 意外だ
phrase Rare #29,664
surprisingly Used when something is different from what was expected, often pleasantly so. 意外にも is a slightly more emphatic form.
JA: この店、意外に安いね。
EN: This place is surprisingly inexpensive.

問題は意外にやさしかった

The problem was surprisingly easy.

意外に人目気にするタイプだ

Surprisingly, I’m the type of person who worries about what other people think.

この映画意外に面白かったよ

This movie was surprisingly interesting.

意外に昨日は天気予報あたった

Surprisingly, the weather forecast was right yesterday.

花子さんって意外にいい人だったんだねえ

Turns out Hanako's actually a pretty nice person.