Monster

Part of speech: noun (n.)

1. Something of unnatural size, shape, or quality; a prodigy; an enormity; a marvel. A monster or marvel. Chaucer.

2. Specifically , an animal or plant departing greatly from the usual type, as by having too many limbs.

3. Any thing or person of unnatural or excessive ugliness, deformity, wickedness, or cruelty.

Part of speech: verb (v.)

To make monstrous. [Obs.] Shak.

Part of speech: adjective (a.)

Monstrous in size. Pope.