- 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 monstrously
The back story here is that reporting on the details of competing budget proposals is monstrously boring.The Gov't's Shutdown Sham
March 2, 2011
Amy, has it never struck you that somebody is monstrously polite to Mrs General?'Little Dorrit
Monstrously I was desired to drink to the happiness of the groom.Ruggles of Red Gap
Harry Leon Wilson
It planted itself in the centre of the nave and grew there monstrously.Abbe Mouret's Transgression
He had intended to honour her and she had monstrously dishonoured him.Kept in the Dark
Well, you did it well--monstrously well, I will say--for you never flinched an eyelash.The Young Franc Tireurs
G. A. Henty
- 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 monstrously
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].