A terrifying and dangerous creature.
A bizarre or whimsical creature.
A cruel or antisocial person, especially a criminal.
A horribly deformed person.
A badly behaved child, a brat.
Something unusually large.
A prodigy; someone very talented in a specific domain.
A non-player character that player(s) fight against in role-playing games.
To make into a monster; to categorise as a monster; to demonise.
To behave as a monster to; to terrorise.
To harass.
Very large; worthy of a monster.
Great; very good; excellent.