Aristotelian sorites, Buridan's ass, Goclenian sorites, Gordian knot, Hobson's choice, Morton's Fork, Scylla and Charybdis, baffle, bafflement, between a rock and a hard place, between the devil and the deep blue sea, bewilderment, bind, blind alley, botch, bother, box, can of worms, catch-22, categorical syllogism, choice of Hercules, complicated problem, conflict, confoundment, confusion, corner, crux, cul-de-sac, dead end, deadlock, difficult choice, difficulty, discomposure, disconcert, disconcertedness, disconcertion, disconcertment, disturbance, double bind, embarras de choix, embarrassment, enigma, entanglement, enthymeme, figure, fix, hard nut to crack, hodgepodge, hole, hot water, impasse, intricacy, jam, jumble, knot, knotty point, mess, mire, mode, modus tollens, mood, muddle, mystery, mystification, no-win situation, no choice, node, nodus, nonplus, only choice, oxymoron, paradox, paralogism, perplexity, perturbation, pickle, pinch, plight, pons asinorum, poser, pother, predicament, problem, prosyllogism, pseudosyllogism, push, puzzle, puzzlement, quandary, riddle, rule, rule of deduction, scrape, snooker, sorites, spot, squeeze, stalemate, standstill, stew, strait, stymie, syllogism, teaser, tight corner, tight spot, tough question, trouble, unassuredness, uncertainty, upset, vexed question, vicious cycle, zugzwang