Dictionary.net

shockingly brutal or cruel; "murder is an atrocious crime"; "a grievous offense against morality"; "a grievous crime"; "no excess was too monstrous for them to commit"

abnormally large

shockingly brutal or cruel; "murder is an atrocious crime"; "a grievous offense against morality"; "a grievous crime"; "no excess was too monstrous for them to commit"

abnormally large

Marvelous; strange.

Having the qualities of a monster; deviating greatly from the natural form or character; abnormal; as, a monstrous birth.

Extraordinary on account of ugliness, viciousness, or wickedness; hateful; horrible; dreadful.

Abounding in monsters.

Exceedingly; very; very much.

Extraordinary in a way to excite wonder, dislike, apprehension, etc.; - said of size, appearance, color, sound, etc.; as, a monstrous height; a monstrous ox; a monstrous story.

Marvelous; strange.

Having the qualities of a monster; deviating greatly from the natural form or character; abnormal; as, a monstrous birth.

Extraordinary on account of ugliness, viciousness, or wickedness; hateful; horrible; dreadful.

Abounding in monsters.

Exceedingly; very; very much.

Extraordinary in a way to excite wonder, dislike, apprehension, etc.; - said of size, appearance, color, sound, etc.; as, a monstrous height; a monstrous ox; a monstrous story.

Out of the course of nature; huge; horrible; hideous.

Out of the common course of nature: enormous: wonderful: horrible.

Enormous; unnatural; frightful.

Unnatural; huge; hideous; horrible.

Unnatural in form; enormous; horrible.

Unnatural in form; huge; enormous; shocking; hateful; horrible.

In a monstrous manner; exceedingly; very much.

Having the characteristics of a monster.

adv. Exceedingly; very much.