monster UK /ˈmɒnstə(ɹ)/US /ˈmɑnstɚ/noun 10verb 4adjective 2forms 3 noun10 •a dangerous creature that scares people, usually one that exists only in storiesO, 'twas a din to fright a monster's ear,/ to make an earthquake. — 1610 •A non-player character that player(s) fight against in role-playing games; a mob •A cruel, heartless, or antisocial person, especially a criminal.Get away from those children, you monster! •(informal) Something very or unusually large.Have you seen those powerlifters on TV? They're monsters. •(humorous, figurative) A badly behaved person, especially a child; a brat.Sit still, you little monster!The rest of the day he heard the children playing kick-the-can, hide-and-seek, Over-Annie-Over, jacks, tops, mibs, and the sound of the little monsters in every shrub and shadow would not let him rest. •A bizarre or whimsical creature.The children decided Grover was a cuddly monster. •A creature of unnatural or highly unusual shape or form (which makes a frightening or unpleasant impression). •(informal) A prodigy; someone very talented in a specific domain.That dude playing guitar is a monster. •(no longer used) A deformed animal or person (especially, a severely deformed one); in previous centuries often taken as an ill omen at the time of its birth. (Offensive when applied to humans in modern usage.)The villagers were worried because the weather had been strange and several monsters had been born among the flocks and people. •(offensive, no longer used) A disabled person, especially a physically disabled person. verb4 •To behave as a monster to; to terrorise.The interrogators asked members of the 377th Military Police Company to help them with monstering, and the MPs complied. — 2010 •(Australia) To harass.Andy Roddick has been monstered by both Federer and Nadal and suffered a 6-2 7-5 7-5 semi-final loss at the hands of the Swiss champion. — 2009 •To make into a monster; to categorise as a monster; to demonise.Animals in our world have been monstered by human action as much as the free beasts of the pre-lapsarian state were monstered by the primal crime. — 1968 •(UK) To play (a series of) non-player characters as directed, without having the responsibility of organising the game itself; generally not limited to playing literal monsters or hostile combatants.Are you monstering that event? adjective2 •(informal) Very large; worthy of a monster.He has a monster appetite. •(informal) Great; very good; excellent.“You did great today,” I told Josh. “You were monster.” “yeah,” he said. “I was monster. Thank you, Charlie.” — 2010 formsmonstered · monstering · monsters