Synonyms and related words :
Chinese puzzle, ado, aggravation, annoyance, anxiety, bad news, baffle, bafflement, baffling problem, basis, bedevilment, besetment, bewilderment, blemish, bone of contention, bore, bother, botheration, bothersomeness, brain twister, bug, bugaboo, bugbear, burden, can of worms, case, catch, catechism, chapter, complication, concern, confoundment, confusion, conundrum, count, crack, crashing bore, cross-interrogatory, cross-question, crossword puzzle, crux, debating point, defect, defection, deficiency, delinquent, demand, devilment, difficult, difficulty, dilemma, disadvantage, discomposure, disconcert, disconcertedness, disconcertion, disconcertment, disturbance, disturbed, dogging, downer, drag, drawback, embarrassment, enigma, enigmatic question, essence, evil, exasperation, facer, failing, failure, fault, faute, feeler, fix, flaw, floorer, focus of attention, focus of interest, foible, frailty, gist, great ado, harassment, harrying, head, headache, heading, hole, hounding, illustration, imbroglio, imperfection, inadequacy, inconvenience, incorrigible, infirmity, inquiry, interrogation, interrogative, interrogatory, intractable, issue, jam, jigsaw puzzle, kink, knot, knotty point, leader, leading question, little problem, living issue, main point, maladjusted, matter, matter in hand, meat, mess, mind-boggler, molestation, moot point, motif, motive, muddle, mystery, nonplus, nuisance, nut, nut to crack, obstreperous, peck of troubles, perplexed question, perplexity, persecution, perturbation, pest, pickle, plight, point, point at issue, point in question, poser, pother, predicament, pretty pickle, puzzle, puzzlement, puzzler, quandary, query, question, question at issue, question mark, quodlibet, refractory, riddle, rift, rubric, scrape, sea of troubles, shortcoming, sixty-four dollar question, snag, something missing, stew, sticker, stumper, subject, subject matter, subject of thought, substance, taint, text, theme, topic, tough proposition, trial, trial balloon, trouble, unassuredness, uncontrollable, ungovernable, unmanageable, unruly, upset, vexation, vexatiousness, vexed question, vulnerable place, weak link, weak point, weakness, why, worriment, worry