Synonyms of 'demanding'

arduous, astringent, authoritarian, complex, critical, hard, harsh, knotted, knotty, particular, precise, religious, pertinacious, persistent, oppressive, operose, nice, narrow, nagging, minute, meticulous, mean, loud, laborious, intricate, instant, insistent, importunate, imperative, herculean, hairy, grim, grievous, grasping, fussy, formidable, finicky, finicking, finical, fine, extortionate, exquisite, exorbitant, exigent, exacting, exact, dour, difficult, difficile, detailed, delicate, crying, correct, conscientious, close, clamorous, clamant, burdensome, brutal, austere, attentive, accurate, abstruse, wicked, weighty, urgent, uphill, unsparing, trying, tricky, tough, toilsome, ticklish, thorny, subtle, stringent, strict, strenuous, Stern, steep, spiny, Spartanic, Spartan, severe, scrupulous, rugged, rough, rigorous, rigid, refined, punctual, punctilious, pressing