bemuse, bewilder, boggle, Byzantine, conflate, confound, confounded, contradiction, contradictory, cryptogram, debacle, delirious, desultory, discombobulate, discomfiture, enigma, errant, erratic, farrago, fiasco, flabbergasted, flummox, imbroglio, imponderable, incoherent, insoluble, inundate, kerfuffle, mystification, mystify, nonplus, nonplussed, palaver, perplex, perplexity, puzzle, puzzling, quandary, rigmarole, stump, vagary