lacking clarity of meaning; causing confusion or perplexity; "sent confusing signals to Iraq"; "perplexing to someone who knew nothing about it"; "a puzzling statement"[syn: confusing ]

adjective

baffling , beyond one , complicated , confusing , convoluted , disconcerting , impenetrable , intricate , involved , knotty , mind-bending , mysterious , mystifying , paradoxical , puzzling , taxing , thorny , worrying