operose
21difficult — I adjective arduous, attended by obstacles, awkward, beset with difficulty, beyond one s reach, bothersome, burdensome, complex, complicated, convoluted, difficile, difficilis, encompassed with difficulties, enigmatic, entangled by difficulties,… …
22painstaking — I adjective assiduous, attentive, careful, conscientious, diligent, earnest, elaborate, energetic, exacting, hardworking, heedful, industrious, labored, laborious, meticulous, never tiring, operose, operosus, particular, persevering, plodding,… …
23pressing — I adjective acute, cogent, compelling, compulsory, constraining, critical, crucial, demanded, demanding, driving, essential, exacting, exigent, forceful, grave, high priority, impelling, imperative, important, importunate, indispensable, major,… …
24Difficulty — (Roget s Thesaurus) < N PARAG:Difficulty >N GRP: N 1 Sgm: N 1 difficulty difficulty Sgm: N 1 hardness hardness &c. >Adj. Sgm: N 1 impracticability impracticability &c.(impossibility) 471 Sgm: N 1 tough work tough work hard work uphil …
25laborious — [adj1] hard, difficult arduous, backbreaking, burdensome, effortful, fatiguing, forced, heavy, herculean*, labored, onerous, operose, ponderous, rough go*, stiff, strained, strenuous, tiresome, toilsome, tough, tough job*, wearing, wearisome,… …
26backbreaking — adjective characterized by 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 …
27grueling — adjective characterized by 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 …
28punishing — adjective 1. resulting in punishment the king imposed a punishing tax • Participle of verb: ↑punish 2. characterized by effort to the point of exhaustion; especially physical effort worked their arduous way up the mining valley a grueling… …
29Operous — Op er*ous, a. Operose. [Obs.] Holder. {Op er*ous*ly}, adv. [Obs.] [1913 Webster] …
30Operously — Operous Op er*ous, a. Operose. [Obs.] Holder. {Op er*ous*ly}, adv. [Obs.] [1913 Webster] …
