| Gruel | n. [ OF. gruel, F. gruau; of German origin; cf. OHG. gruzzi groats, G. grütze, As. grūt. See Grout. ] A light, liquid food, made by boiling meal of maize, oatmeal, or flour in water or milk; thin porridge. [ 1913 Webster ] |
| gruelling | adj. 1. characterized by toilsome effort; requiring extreme physical or mental effort; as, a grueling campaign. Syn. -- arduous, backbreaking, back-breaking, exhausting, gruelling, hard, heavy, laborious, labourious, punishing, slavish, strenuous, toilsome. [ WordNet 1.5 ] Variants: grueling |