Synonyms and related words :
Aristotelian sorites, Goclenian sorites, Gordian knot, Scylla and Charybdis, baffle, bafflement, bewilderment, bind, bother, box, catch-22, categorical syllogism, choice of Hercules, confoundment, confusion, corner, crux, deadlock, difficulty, discomposure, disconcert, disconcertedness, disconcertion, disconcertment, disturbance, embarrassment, enigma, enthymeme, figure, fix, hole, impasse, jam, knot, knotty point, mode, modus tollens, mood, mystery, mystification, no choice, node, nodus, nonplus, only choice, oxymoron, paradox, paralogism, perplexity, perturbation, pickle, plight, pons asinorum, poser, pother, predicament, problem, prosyllogism, pseudosyllogism, puzzle, puzzlement, quandary, riddle, rule, rule of deduction, scrape, snooker, sorites, spot, squeeze, stalemate, stew, stymie, syllogism, teaser, trouble, unassuredness, upset, vexed question