Antonyms of adj grueling

1 sense of grueling

Sense 1
arduous, backbreaking, grueling, gruelling, hard, heavy, laborious, operose, punishing, toilsome -- (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 pace")

INDIRECT (VIA effortful) -> effortless -- (requiring or apparently requiring no effort; "the swallows glided in an effortless way through the busy air")

Similarity of adj grueling

1 sense of grueling

Sense 1
arduous, backbreaking, grueling, gruelling, hard, heavy, laborious, operose, punishing, toilsome -- (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 pace")
       => effortful (vs. effortless) -- (requiring great physical effort)