He has a habit of acting slightly strange and immature.

That is a slightly strange remark to make to me.

Said of something that functions, but in a slightly strange, klugey way.

With magic, anything could happen, but this was slightly strange.

I have the family look, bold and slightly strange.

These three guys might be slightly strange, but what the heck?

It was a slightly strange experience, but not bad.

This is all being interpreted in a slightly strange manner.

He is also known to be over-worried, and slightly strange, at times.

He may seem slightly strange at times, but he's a devoted man, like you.