adj. confused and vague; used especially of thinking. a mind befogged with drink Syn. -- addled, befuddled, muddled, muzzy, unclear, woolly, wooly, woolly-headed, wooly-minded. [ WordNet 1.5 ]
(v) make less visible or unclear, Syn. mist, obnubilate, becloud, cloud, befog, haze over, fog, Example:The stars are obscured by the clouds; the big elm tree obscures our view of the valley