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Definitions

monstrous

[mon-struhs] / ˈmɒn strəs /
ADJECTIVE
unnatural, shocking
Synonyms
STRONGEST
atrocious dreadful egregious freakish frightful grotesque gruesome heinous hideous horrendous horrible horrifying inhuman intolerable obscene odious outrageous preposterous terrible vicious
WEAK
abnormal desperate devilish diabolical disgraceful evil fiendish flagitious foul hellish loathsome morbid ominous satanic scandalous teratoid uncanny unusual
Antonyms
STRONGEST
beautiful delightful glorious great inoffensive magnificent pleasant pleasing wonderful
WEAK
common expected little miniature natural ordinary small standard tiny
ADJECTIVE
very large
Synonyms
STRONGEST
colossal enormous gargantuan gigantic huge immense impressive magnificent mammoth massive monumental towering tremendous
WEAK
cracking elephantine fantastic giant grandiose great prodigious stupendous titanic vast whopping
Antonyms
STRONGEST
dwarfed insignificant little miniature miniscule minute small teeny tiny unimportant unimpressive
WEAK
average common expected natural ordinary standard

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Theo Kogan’s voice was — and is, in the Webster Hall footage from 2021 — clear and monstrous and the perfect voice to sing these songs.

From Salon • Apr. 28, 2026

These deficits have accumulated into a monstrous debt.

From Barron's • Apr. 3, 2026

No one could’ve imagined that Chávez could’ve possibly done things so monstrous, but maybe we shouldn’t have built him up so much while he was alive and after his death in the first place.

From Los Angeles Times • Mar. 24, 2026

"I am outraged that this monstrous ballroom was designed and the construction of the original without any approval," another said.

From BBC • Mar. 5, 2026

The sea overflowed with water from the Starry River of the Sky and churned with monstrous beasts.

From "When the Sea Turned to Silver" by Grace Lin

Vocabulary lists containing monstrous

"The Crucible" -- Vocabulary from all 4 Acts

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Metamorphosis

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Words from Shakespearean Insults

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!