1

monster

noun mon·ster \ ˈmän(t)-stər \
Updated on: 16 Dec 2017

Definition of monster

1 a : an animal or plant of abnormal form or structure
  • a mythical monster
  • a sea monster
b : one who deviates from normal or acceptable behavior or character
  • an immoral monster
2 : a threatening force
  • the same monster — Destiny … that rolls every civilization to doom
  • —W. L. Sullivan
3 a : an animal of strange or terrifying shape
  • visualize this scaleless monster, eight or nine feet long, sprawling in the shade by the side of the mud pools
  • —W. E. Swinton
b : one unusually large for its kind
  • That truck is a monster.
4 : something monstrous; especially : a person of unnatural or extreme ugliness, deformity, wickedness, or cruelty
  • His father was a monster who beat his children for no reason.
5 : one that is highly successful
  • That movie was a monster at the box office.

Examples of monster in a Sentence

  1. That car is a monster.

  2. Inflation has become an economic monster.

Recent Examples of monster from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'monster.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of monster

Middle English monstre, from Anglo-French, from Latin monstrum omen, monster, from monēre to warn — more at mind


2

monster

adjective

Definition of monster

: enormous or impressive especially in size, extent, or numbers

Examples of monster in a Sentence

  1. The movie turned out to be a monster hit.

Origin and Etymology of monster



MONSTER Defined for English Language Learners

monster

noun

Definition of monster for English Language Learners

  • : a strange or horrible imaginary creature

  • : something that is extremely or unusually large

  • : a powerful person or thing that cannot be controlled and that causes many problems


monster

adjective

Definition of monster for English Language Learners

  • : very popular and successful


MONSTER Defined for Kids

monster

noun mon·ster \ ˈmän-stər \

Definition of monster for Students

1 : a strange or horrible creature
2 : something unusually large
3 : an extremely wicked or cruel person

Medical Dictionary

monster

noun mon·ster \ ˈmän(t)-stər \

medical Definition of monster

: an animal or plant displaying a major developmental abnormality in form or structure


Seen and Heard

What made you want to look up monster? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

of or relating to dancing

Get Word of the Day daily email!

Test Your Vocabulary

Star Wars Words Quiz

  • cu-jedi-training
  • The bounty portion of bounty hunters (such as Boba Fett) comes from a Latin word meaning
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!