Select the INCORRECTLY spelt word.

humorous ridiculous mysterious mischivious

mischivious

The incorrectly spelt word is mischivious. The correct spelling is mischievous. Humorous means causing laughter or amusement. Ridiculous means absurd or nonsensical. Mysterious means obscure or puzzling. Mischievous means playful in a way that causes trouble or annoyance.