Synonym: arduous, backbreaking, gruelling, hard, heavy, laborious, operose, punishing, toilsome. Similar words: feelings, unfeeling, sniveling, counseling, cruel, cruel and unusual punishment, mudslinging, feline. Meaning: ['gruːəlɪŋ] 
adj. characterized by toilsome effort to the point of exhaustion; especially physical effort.
adj. characterized by toilsome effort to the point of exhaustion; especially physical effort. 
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31. Third was the grueling experience of Secretary of State George Marshall in the Moscow Conference of Foreign Ministers, dedicated to the future of Germany, in March-April 1947.
32. The two confronted one another , and despite a grueling battle , Lah lost.
33. Living conditions can be Dickensian, and grueling six-day work weeks leave little time for anything else but sleeping, eating and doing the laundry.
34. Fox : I think it was more grueling on the crew.
35. But to get into a university to pursue this path, she must first run the gauntlet known as "Gaokao," a grueling university entrance examination given every summer across the Asian nation.
36. I rode beside the stopped cars for mile after grueling mile.
37. The presentation of future plans had been a grueling work.
38. War was grueling and oppressive and frustrating and uncomfortable, but one had friends.
More similar words: feelings, unfeeling, sniveling, counseling, cruel, cruel and unusual punishment, mudslinging, feline, grudgingly, sideline, on the line, guideline, relinquish, relinquishment, read between the lines, sling, cling, fling, ruling, linger, ailing, sibling, wailing, inkling, rolling, yelling, milling, curling, ceiling, bustling.