To perplex or puzzle.
To fail to see the difference; to mix up; to confuse right and wrong.
To make something worse.
Don't confound the situation by yelling.
To combine in a confused fashion; to mingle so as to make the parts indistinguishable.
To cause to be ashamed; to abash.
His actions confounded the skeptics.
To defeat, to frustrate, to thwart.
To damn (a mild oath).
Confound the lady!
To bring to ruination.
To stun, amaze