adj. causing vexation or worry: "trying times"; "serious problems"

adj. causing distress or worry or anxiety; "distressing (or disturbing) news"; "lived in heroic if something distressful isolation"; "a disturbing amount of crime"; "a revelation that was most perturbing"; "a new and troubling thought"; "in a particularly worrisome predicament"; "a worrying situation"; "a worrying time"

adj. causing misery or pain or distress; "it was a sore trial to him"; "the painful process of growing up"

adj. requiring or showing effort; "heavy breathing"; "the subject made for labored reading"

adj. causing irritation or annoyance; "tapping an annoying rhythm on his glass with his fork"; "aircraft noise is particularly bothersome near the airport"; "found it galling to have to ask permission"; "an irritating delay"; "nettlesome paperwork"; "a pesky mosquito"; "swarms of pestering gnats"; "a plaguey newfangled safety catch"; "a teasing and persistent thought annoyed him"; "a vexatious child"; "it is vexing to have to admit you are wrong"

adj. not easily borne; wearing; "the burdensome task of preparing the income tax return"; "my duties weren't onerous; I only had to greet the guests"; "a taxing schedule"

adj. characterized by toilsome effort to the point of exhaustion; especially physical effort; "worked their arduous way up the mining valley"; "a grueling campaign"; "hard labor"; "heavy work"; "heavy going"; "spent many laborious hours on the project"; "set a punishing pace"

adj. "took a hard look"

adj. marked by firm determination or resolution; not shakable; "firm convictions"; "a firm mouth"; "steadfast resolve"; "a man of unbendable perseverence"; "unwavering loyalty"

adj. explained or answered; "mysteries solved and unsolved; problems resolved and unresolved"

adj. harsh or corrosive in tone; "an acerbic tone piercing otherwise flowery prose"; "a barrage of acid comments"; "her acrid remarks make her many enemies"; "bitter words"; "blistering criticism"; "caustic jokes about political assassination, talk-show hosts and medical ethics"; "a sulfurous denunciation"; "a vitriolic critique"

adj. strong and sharp;"the pungent taste of radishes"; "the acrid smell of burning rubber"

adj. disagreeable to the senses, to the mind, or feelings ; "an unpleasant personality"; "unpleasant repercussions"; "unpleasant odors"

adj. causing irritation or annoyance; "tapping an annoying rhythm on his glass with his fork"; "aircraft noise is particularly bothersome near the airport"; "found it galling to have to ask permission"; "an irritating delay"; "nettlesome paperwork"; "a pesky mosquito"; "swarms of pestering gnats"; "a plaguey newfangled safety catch"; "a teasing and persistent thought annoyed him"; "a vexatious child"; "it is vexing to have to admit you are wrong"

adj. tending to repel; "The trappings of upper-class life are off-putting and sterile"- Elizabeth Hess

adj. not desirable; "undesirable impurities in steel"; "legislation excluding undesirable aliens"

adj. experiencing or marked by or expressing sorrow especially that associated with irreparable loss; "sorrowful widows"; "a sorrowful tale of death and despair"; "sorrowful news"; "even in laughter the heart is sorrowful"- Proverbs 14:13

adj. requiring full use of your abilities or resources; "ambitious schedule"; "performed the most challenging task without a mistake"

adj. making great mental demands; hard to comprehend or solve or believe; "a baffling problem"; "I faced the knotty problem of what to have for breakfast"; "a problematic situation at home"

adj. having concealed difficulty; "a catchy question"; "a tricky recipe to follow"

adj. difficult to handle; requiring great tact; "delicate negotiations with the big powers";"hesitates to be explicit on so ticklish a matter"; "a touchy subject"

adj. impressively difficult; "a tall order"

adj. extremely difficult; requiring the strength of a Hercules; "a herculean task"

adj. hard to manage; inclined to make trouble: "a difficult child"

adj. requiring great effort; "a hard-fought primary"

adj. very unpleasant; "hellish weather"; "stop that god-awful racket"

adj. exasperatingly difficult to handle or circumvent; "a nasty problem"; "a good man to have on your side in a tight situation"

adj. full of hardship or trials; "the rocky road to success"; "they were having a rough time"

adj. causing difficulty in finding an answer or solution; much disputed; "the vexed issue of priorities"; "we live in vexed and troubled times"

adj. not easily borne; wearing; "the burdensome task of preparing the income tax return"; "my duties weren't onerous; I only had to greet the guests"; "a taxing schedule"

adj. (of sleep) deep and complete; "a heavy sleep"; "fell into a profound sleep"; "a sound sleeper"; "deep wakeless sleep"

adj. made heavy or weighted down with weariness; "his leaden arms"; "weighted eyelids"

adj. weighing heavily on the senses or spirit; "the atmosphere was oppressive"; "oppressive sorrows"

adj. causing a dull and steady pain; "my aching head"; "her old achy joints"

adj. expressing pain or agony; "agonized screams"

adj. extremely painful

adj. difficult to accomplish; demanding considerable mental effort and skill; "the arduous work of preparing a dictionary"

adj. (painful)

adj. painful from having the skin abraded

adj. hurting; "the tender spot on his jaw"

adj. keenly distressing to the mind or feelings; "poignant anxiety"

adj. causing great physical or mental suffering; "a wrenching pain"

adj. (of a rider) sore after riding a horse

adj. psychologically painful;"few experiences are more traumatic than losing a child";

adj. cleverly amusing in tone; "a bantering tone"; "facetious remarks"; "tongue-in-cheek advice"

adj. having few parts; not complex or complicated or involved; "a simple problem"; "simple mechanisms"; "a simple design"; "a simple substance"

adj. easy and not involved or complicated; "an elementary problem in statistics"; "elementary, my dear Watson"; "a simple game"; "found an uncomplicated solution to the problem"