sweaty, effortful, moody, punishing, finicking, irritable, be an effort, killing, challenging, murderous, fractious, short-tempered, unyielding, grueling, hard-to-please, temperamental, old-maidish, pernickety, hot-tempered, nice, heavy, moiling, testing, tightened, touchy, stiff, imperious, pick-and-shovel, herculean, finical, easy, irascible, weighty, tall, Augean, fussbudgety, bad-tempered, hellacious, killer, exigent, sensitive, backbreaking
fastidious (part of speech: adjective)
dainty, fussy, flawless, literal, fastidious, priggish, discriminating, methodical, hypercritical, persnickety, proper, discerning, scrupulous, picky, accurate, particular, delicate, squeamish, perspicacious, diligent, conscientious, careful, prim, punctilious, mincing, qualmish, Epicurean, choosy, finicky
difficult (part of speech: adjective)
grinding, tough, cumbersome, bothersome, stressful, adverse, hard, tight, tricky, knotty, ticklish, trying, rough, laborious, taxing, complex, onerous, rugged, wearying, troublesome, arduous, formidable, burdensome, strenuous, toilsome, wearing, contrary, cantankerous, wearisome, uphill, difficult, thorny, complicated
obliging (part of speech: verb)
requesting (part of speech: verb)
severe (part of speech: adjective)
disciplined, rigid, austere, grim, harsh, rigorous, brusque, exacting, uncompromising, precise, curt, piquant, correct, brisk, chilly, obstinate, imperial, stiff-necked, bleak, obdurate, dour, cutting, spare, stringent, icy, blunt, caustic, censorious, lean, cool, tart, frosty, basic, acute, sharp, ascetic, acerbic, inflexible, raw, astringent, prudish, meticulous, severe, fundamental, Spartan, dry, hidebound, acrimonious, unbending, intolerant, puritanical, oppressive, keen, critical, authoritarian, short, abrupt, strict, stern, relentless, stark, intense, crisp, gruff, strait-laced, Draconian
- Now they reproached me, demanding a return of them all, which they had forced upon me of their own free will. - "Old Fritz and the New Era", Louise Muhlbach.
- She came backwards towards the steps, turning her fair face beaming with fun and delight towards the children, who, full of their longing, half demanding, half begging, half laughing, half crying, shouted in confusion, " Let us be, Sirona," " Do not take it away again, Sirona," " Do stay here, Sirona," again and again, " Sirona- Sirona." - "The Complete Historical Romances of Georg Ebers", Georg Ebers.
- But the editor gave him no time for explanation, demanding, fiercely: " Where's that check I sent you?" - "Laughing Bill Hyde and Other Stories", Rex Beach.