Synonyms of monstrous in English:

monstrous


See definition of monstrous

adjective

1‘a monstrous creature with great leathery wings and a horny head’

SYNONYMS

grotesque, hideous, ugly, ghastly, gruesome, horrible, horrid, horrific, horrendous, horrifying, grisly, disgusting, repulsive, repellent, revolting, nightmarish, dreadful, frightening, terrifying, fearsome, freakish, malformed, misshapen, unnatural, abnormal, mutant, miscreated

rare teratoid

ANTONYMS

lovely, beautiful, normal

2‘a monstrous tidal wave engulfed the countryside’

SYNONYMS

huge, enormous, massive, great, gigantic, giant, colossal, mammoth, vast, immense, tremendous, mighty, stupendous, monumental, epic, prodigious, mountainous, titanic, towering, elephantine, king-sized, king-size, gargantuan, Herculean, Brobdingnagian, substantial

informal mega, monster, whopping, whopping great, thumping, thumping great, humongous, jumbo, hulking

British informal whacking, whacking great, ginormous

ANTONYMS

tiny, minute

3‘could he be guilty of such monstrous acts?’

SYNONYMS

appalling, abhorrent, heinous, evil, wicked, abominable, terrible, horrible, dreadful, hideous, foul, vile

outrageous, shocking, disgraceful, scandalous, atrocious

villainous, nasty, ghastly, odious, loathsome, shameful, infamous, nefarious, iniquitous, unspeakable, intolerable, contemptible, despicable, vicious, cruel, savage, brutish, bestial, barbaric, barbarous, base, inhuman, depraved, fiendish, devilish, diabolical, satanic, ruthless, merciless

British informal beastly

rare egregious, flagitious

ANTONYMS

admirable, good, kind