Available Definitions:
1) a. - Malignant; mischievous; spiteful.
2) a. - Feeling or exhibiting envy; actuated or directed by, or proceeding from, envy; -- said of a person, disposition, feeling, act, etc.; jealously pained by the excellence or good fortune of another; maliciously grudging; -- followed by of, at, and against; as, an envious man, disposition, attack; envious tongues.
3) a. - Inspiring envy.
4) a. - Excessively careful; cautious.