From Longman Dictionary of Contemporary Englishmonstrousmon‧strous /ˈmɒnstrəs $ ˈmɑːn-/ adjective1BAD BEHAVIOUR OR ACTIONSvery wrong, immoral, or unfairIt’s monstrous to charge that much for a hotel room.Such monstrous injustice is hard to understand.2BIGUGLYunusually largea monstrous nose3unnatural or ugly and frighteningSYN hideousa monstrous shadow on the stairs —monstrously adverbHe was ugly and monstrously fat.It was monstrously unfair.Examples from the Corpusmonstrous• a monstrous 400-pound grizzly bear• In the dark hours after breakfast it was some way of controlling the monstrous disjuncture between his private and his public life.• In his own colorful expression, he had laid a monstrousegg.• A monstrous form lay on it, covered by sheeting.• a monstrouslie• A monstrouspaincrackling along the frozennerves to leave her drycrying, wordless sobs of abandonment.• Frequently they were outspoken wives, who were considered monstrousshrews or unnatural traitors to their husbands.• The plan called for five dams and reservoirs, all of them of monstroussize.• She throwsmonstroustantrums if her parents try to leave her at daycare or with a baby-sitter.