adj marvelous; strange.
2. monstrous ·adj abounding in monsters.
3. monstrous ·adv exceedingly; very; very much.
4. monstrous ·adj extraordinary on account of ugliness, viciousness, or wickedness; hateful; horrible; dreadful.
5. monstrous ·adj having the qualities of a monster; deviating greatly from the natural form or character; abnormal; as, a monstrous birth.
6. monstrous ·adj 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.