Synonyms and related words :
addlebrained, addled, addleheaded, beclouded, befuddled, blear-witted, cloudy, dizzy, fogged, foggy, fuddlebrained, fuddled, hazy, in a fog, in a muddle, misted, misty, muddled, muddleheaded, muddybrained, muzzy, puzzleheaded, scramblebrained