grueling
grooh i ling
- s characterized by effort to the point of exhaustion; especially physical effort
a grueling campaign
- The singers' work schedule is grueling.
- What's the key to surviving a grueling series of all-nighters during finals week? No, not Red Bull think water, lots of water.
- There, he entered the grueling, spartan world of the sumo stable, and as all professional sumo wrestlers on the rise must, traded in his identity for a new name: "Asashoryu" (Blue .