What is another word for "monster"?

Roget's Thesaurus (1911) lists these synonyms for "monster": barbary, bomb, can, coup, curiosity, envious, eruption, eye, fire, gazingstock, green-eyed, jaundiced, jealous, jealousness, jealousy, light, lion, marvel, mirabilis, miracle, paint, peal, phenomenon, pigeon, poi, portent, prodigy, shell, sight, sign, spectacle, suspicion, the, theatre, thunder, unconformity, view, volcanic, what, with.