difficult Synonyms - page 2

squeamish ticklish wearisome thankless stubborn struggling spartan sophisticated severe serious rigorous self-willed scabrous rugged risky rough refractory spiny recondite profound sensitive punishing straitened strained stiff-necked stiff rebellious recalcitrant stickleback rocky stroppy bolshie sad sack leaner persnickety out of hand laboured labor-intensive keystroke nettlesome noncompliant gruelling backbreaking pigheaded durum unrelaxed unhelpful supercritical struggleful rockbound