変

変

"変" means "strange," "unusual," or "change."

The word '変' (hen) is used here to describe something as unusual or strange, highlighting its descriptive function in evaluating the outfit.

この服はちょっと変ですね。

This outfit is a bit unusual, isn't it?

In this context, '変わった' utilizes '変' (hen) as part of the verb '変わる' (kawaru), meaning 'to change,' indicating a transformation in his behavior.

彼が急に変わったのは驚きました。

It surprised me that he suddenly changed.

Here, '変' (hen) is modified into '変な' to function as an adjective, describing the story as strange.

その事件は変な話です。

That incident is a strange story.