Characterized by vague or confused thinking: foolish, dull-witted, drunk.
Synonym of giddy: joyfully elated.
Synonym of nappy: having tightly curled and frizzy hair.
dulled or intentionally blunt.
out of focus; blurry.
To sharpen (an image) by creating a blurred ("unsharp") negative as a mask, and then combining that mask with the original.