Jealousy (noun)

1. A feeling of resentment or bitterness that arises when someone has something or someone that one desires.
2. A feeling of resentment or bitterness that arises when someone"s relationship or status is perceived as being superior to one"s own.

Origin:

Middle english: from old french jalousie, from jalous "jealous", from jaloux (see jealous).

Examples:

1. Jealousy can be a destructive emotion.
2. The jealousy between the sisters was palpable.
3. Her jealousy was evident when she saw them together.
4. Jealousy can cause people to do terrible things.
5. Jealousy can ruin relationships.