Oxymoron

Anybody heard about Oxymoron.. It means two opposite words formed together. Examples

 1)  Clearly Misunderstood.

 2)  Exact Estimate.

 3)  Small Crowd.

 4)  Act Naturally.

 5)  Found Missing.

 6)  Fully Empty.

 7)  Pretty Ugly.

 8)  Seriously Funny.

 9)  Only Choice.

10)  Original Copies...

And people say the Mother of all Oxymoron is-

11) "Happily Married"