monstrosity

noun

mon·​stros·​i·​ty män-ˈsträ-sə-tē 

plural monstrosities

1

a

: a malformation of a plant or animal

b

: something deviating from the normal : freak

2

: the quality or state of being monstrous

the monstrosity of the tsunami's devastation

3

a

: an object of great and often frightening size, force, or complexity

this monstrosity, the atomic bomb

b

: an excessively bad or shocking example

The new building is an architectural monstrosity.

Synonyms of monstrosity

• anomaly
• mutation
• monster

Examples of monstrosity in a Sentence

Did you see the new mall? It's a monstrosity.

any monstrosities born to the farm animals were sent to the agricultural college for study

Recent Examples on the Web

View gallery - 7 images Back in the day, the Sportage was first introduced as a bug-eyed monstrosity of a compact utility. —New Atlas, 8 Jan. 2026

The evildoer himself morphs from sexy Jamie Campbell Bower to evil monstrosity! —Jason P. Frank, Vulture, 15 Dec. 2025

The hulking remains of ARC monstrosities sit amongst the ruins of our world, now peaceful and overgrown with nature. —Fran Ruiz, Space.com, 10 Dec. 2025

The monstrosity of this 100-mile-long piece of metal will do nothing to fix our immigration problem. —Brandon Loomis, AZCentral.com, 18 Nov. 2025

Word History

First Known Use

15th century, in the meaning defined at sense 1a

Rhymes for monstrosity

• atrocity
• ferocity
• pomposity
• porosity
• precocity
• schistosity
• velocity
• verbosity
• viscosity
• animosity
• curiosity
• generosity

Kids Definition

monstrosity

noun

mon·​stros·​i·​ty män-ˈsträs-ət-ē 

plural monstrosities

1

: the condition of being monstrous

2

: something monstrous : monster