- 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.
- abnormal, hideous, or unnatural in size, character, etc
- (of plants and animals) abnormal in structure
- outrageous, atrocious, or shocking
- huge
- of, relating to, or resembling a monster
