What is the meaning of Monster?

A terrifying and dangerous creature, especially one of an imaginary or mythical kind.

A cruel, heartless, or antisocial person, especially a criminal.

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.)

A badly behaved person, especially a 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; a mob

Very large; worthy of a monster.

Great; very good; excellent.

To make into a monster; to categorise as a monster; to demonise.

To behave as a monster to; to terrorise.

To harass.

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.

(Can we verify this sense?) To punish, reprimand or intimidate.

a monster, terrifying and dangerous creature

an extremely antisocial person, especially a criminal

sample; small, representative quantity of a substance or material, as used for analysis or selection

inflection of monsteren: