difficult to explain or understand; strange and not as you expect

A funny thing happened to me today.

It's funny how things never happen the way you expect them to.

That's funny—he was here a moment ago and now he's gone.

The funny thing is it never happened again after that.

The engine's making a very funny noise.

I'm pleased I didn't get that job, in a funny sort of way.

seeming or likely to be wrong, illegal or dishonest

I suspect there may be something funny going on.

If there has been any funny business, we'll soon find out.

humorous in a way that shows a lack of respect for somebody

Don't you get funny with me!

I feel a bit funny today—I don't think I'll go to work.

That Dave's a funny chap, isn't he?

My computer keeps going funny.

LEARNit Dictionary