Noun

1. A semiprecious gemstone that takes a high polish; is usually green but sometimes whitish; consists of jadeite or nephrite
2. A woman adulterer
3. A light green color varying from bluish green to yellowish green
4. An old or over-worked horse

Verb

1. Lose interest or become bored with something or somebody
2. Exhaust or get tired through overuse or great strain or stress