a feeling of jealous envy (especially of a rival)

The negative emotional reaction experienced when a relationship that is important to a person's self-concept is threatened by a real or imagined rival.

Jealousy typically refers to the thoughts, feelings, and behaviors that occur when a person believes a valued relationship is being threatened by a rival.

Jealousy is the third album by the Japanese band X Japan and was released on July 1, 1991. It is noted for being the band's most diverse album in terms of songwriting credits and the last to feature Taiji Sawada on bass. Jealousy debuted at #1 on the Oricon charts.

"Jealousy" is a song originally written in 1982 by the Pet Shop Boys, recorded for their 1990 album Behaviour. In 1991, it was released in a slightly remixed form as a single, which appears on both Pet Shop Boys' greatest hits albums. It has also been covered by the British band Dubstar, and was sung by Robbie Williams at the 2006 Pet Shop Boys' BBC Radio 2 concert at the Mermaid Theatre, a recording of which was released on the Pet Shop Boys' live album Concrete.

Jealousy is a fearful reaction of the selfhood; Blake rejected the "jealous God" of Exodus 20.

Fear of losing a loved one, or losing exclusivity. However, jealousy within reason can be s strong aphrodisiac.

Is having resentment towards another successes or opportunities. I t also has to do with fear of losing the love or affection from a partner.

zealous vigilance; "cherish their official political freedom with fierce jealousy"-Paul Blanshard

The quality of being jealous; earnest concern or solicitude; painful apprehension of rivalship in cases directly affecting one's happiness; painful suspicion of the faithfulness of husband, wife, or lover.