muddle-headed

abashed addled addlepated at a loss at sea at sixes and sevens baffled befuddled bewildered come apart confounded confusional dazed discombobulated disconcerted disorganized distracted flummoxed flustered fouled-up glassy-eyed gone misled mixed up muddled nonplussed not with it out to lunch perplexed perturbed punch-drunk punchy puzzled screwy shook-up shot to pieces slaphappy spaced out stumped taken aback thrown thrown off balance turbid unglued unscrewed unzipped