n. 1 beast, fiend, ogre, giant, dragon, brute, demon, troll, bogeyman Why are so many children's fairy tales populated by monsters? 2 monstrosity, (living) abortion, mutant, mutation, freak, deformity, lusus naturae, eyesore, horror, miscreation, missing link Monsters of every description were the main features of circus sideshows for centuries
adj. 3 See monstrous, 3, below.