rather

If something is rather large, different, difficult, etc., it is quite that way.

Example: I saw something rather unusual this morning.

When you would rather do something, you want to do it more than something else.

Example: I would rather see a film (than stay home).

instead of

Example: He went rather than stay behind and be alone.

You use or rather to change what you have just said.

Example: I went there, or rather I had planned to go there, last week.

You use rather to show that you agree strongly.

Example: "Did you like the movie?" "Rather!"