Regardless; anyhow.
He didn't enjoy washing his car, but it was so dirty that he did it anyway.
Used to indicate that a statement explains or supports a previous statement. See anyhow and at least.
I don't think that's true. I haven't found any evidence, anyway.
Used to indicate a change of subject.
Used at the end of a question for emphasis, or to direct the conversation to something of more broad importance (compare with more to the point).
In any way.