Monstrous

1. Marvelous; strange.
2. Extraordinary on account of ugliness, viciousness, or wickedness; hateful; horrible; dreadful.
3. 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.
4. Exceedingly; very; very much.
5. Having the qualities of a monster; deviating greatly from the natural form or character; abnormal; as, a monstrous birth.
6. Abounding in monsters.