Definition of monster in English:


Syllabification: mon·ster
Pronunciation: /ˈmänstər


  • 1An imaginary creature that is typically large, ugly, and frightening.
    More example sentences
    • She was made into a horrid, ugly monster.
    • From the mountain chain before them emerged a terrifying creature, a monster, a demon to be precise.
    • A family sleeping together is safe from things that go bump in the night, whether imaginary monsters or real predators on the savannah.
    giant, mammoth, colossus, leviathan, titan
    informal jumbo
  • 1.1An inhumanly cruel or wicked person: he was an unfeeling, treacherous monster
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    • Please don't be as uncivilized, thoughtless, and cruel as the monsters who committed these senseless acts.
    • She was a fraud, a monster, and a cruel mean beast.
    • He became a monster, a cruel and crafty invader who was stopped only by epic courage and perseverance.
    brute, fiend, beast, devil, demon, barbarian, savage, animal
    informal swine, pig
  • 1.2often • humorous A person, typically a child, who is rude or badly behaved: Christopher is only a year old, but already he is a little monster
    More example sentences
    • So no ducking under the duvet, then, when your little monster threatens to waken the neighbours, if not the dead, with his wee-small-hours wake-up call.
    • If your little monster wants to look even more scary, there are face painters to give them the ultimate Sunday makeover.
    • After the better part of an hour I think the little monster was getting tired, finally.
    rascal, imp, monkey, wretch, devil
    informal horror, scamp, scalawag, tyke, varmint, hellion
    archaic scapegrace, rapscallion
  • 1.3A thing or animal that is excessively or dauntingly large: this is a monster of a book, almost 2,000 pages [as modifier]: a monster 120-mm gun
    More example sentences
    • For my money I got a monster of a sandwich, complete with a side serving of salad and dressing.
    • Also, Tony scored a monster of a point after 28 minutes, following an excellent pass from Michael.
    • She had a monster of a van ready and was waiting for us.
  • 1.4A congenitally malformed or mutant animal or plant.
    More example sentences
    • Many of these aquatic monsters are thought to be seriously threatened by overfishing and habitat destruction.
    • Museums and private collectors have for centuries preserved specimens of monsters and mutants.


[with object] informal , chiefly British Back to top  
  • Criticize or reprimand severely: my mother used to monster me for coming home so late
    More example sentences
    • However, they fear that if this was attempted they would be monstered for being too open or too uncertain about critical areas of public concern.
    • Or would he have been monstered for settling for defeat?
    • Clearly, anything short of Section 28 restated was going to be monstered.


late Middle English: from Old French monstre, from Latin monstrum 'portent or monster', from monere 'warn'.

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