| Word | Definitions | Synonyms |
|---|---|---|
| grueling | (adjective) characterized by effort to the point of exhaustion; especially physical effort | Synonyms: arduous, backbreaking, gruelling, hard, heavy, laborious, operose, punishing, toilsome |
| gruelling | (adjective) characterized by effort to the point of exhaustion; especially physical effort | Synonyms: arduous, backbreaking, grueling, hard, heavy, laborious, operose, punishing, toilsome |
| gruesome | (adjective) shockingly repellent; inspiring horror | Synonyms: ghastly, grim, grisly, macabre, sick |