- frightful or hideous, especially in appearance; extremely ugly.
- shocking or revolting; outrageous: monstrous cruelty.
- extraordinarily great; huge; immense: a monstrous building.
- deviating grotesquely from the natural or normal form or type.
- having the nature or appearance of a fabulous monster.
- extremely; exceedingly; very.
Origin of monstrous
SynonymsSee more synonyms for monstrous on Thesaurus.com
Examples from the Web for monstrous
“You know, I never had a monstrous ego,” Mailer confides to a friend in l987.
All I had in those days was a monstrous lack of ego which therefore required huge injections of actorly ego and misled people.
“In the camp no-one knows themselves,” muses the monstrous commandant.How Hitch & Amis Discovered Evil In My House
September 28, 2014
Now, what they learned on U.S. streets with the monstrous MS-13 and MS-18 has sent children fleeing north.The Deported L.A. Gangs Behind This Border Kid Crisis
July 11, 2014
For 27 years, the 105 floors of Ryugyong Hotel, a monstrous three-winged, glass-and-concrete pyramid, have gone unused.Nobody’s Home at the Hermit Kingdom’s Ghost Hotel
May 22, 2014
A non-loving Universal Thought was too monstrous a concept to entertain.The Conquest of Fear
I do know that you did it for love of me, monstrous though it sounds to say so.Hetty's Strange History
She thinks it monstrous because she has eyes in her head; she thinks it monstrous because it is monstrous.Alarms and Discursions
G. K. Chesterton
They had sent this monstrous caricature of the most beautiful thing in the world.My Double Life
His design then appeared to him insane, monstrous, polluting.The Three Cities Trilogy, Complete
- abnormal, hideous, or unnatural in size, character, etc
- (of plants and animals) abnormal in structure
- outrageous, atrocious, or shockingit is monstrous how badly he is treated
- hugea monstrous fire
- of, relating to, or resembling a monster
Word Origin and History for monstrous
mid-15c., "unnatural, deviating from the natural order, hideous," from Middle French monstrueux, from Latin monstruosus "strange, unnatural, monstrous," from monstrum (see monster). Meaning "enormous" is from c.1500; that of "outrageously wrong" is from 1570s. Earlier form monstruous (late 14c., from Old French monstruous) was "very common in the 16th c." [OED].