jealous as in showing extreme cupidity

• "painfully desirous of another's advantages"
• "he was never covetous before he met her"
• "jealous of his success and covetous of his possessions"
• "envious of their art collection"

Synonyms

• covetousshowing extreme cupidity; immoderately desirous of acquiring e.g. wealth
• enviousshowing extreme cupidity

jealous as in suspicious or unduly suspicious or fearful of being displaced by a rival

• "a jealous lover"

Synonyms

• green-eyedsuspicious or unduly suspicious or fearful of being displaced by a rival
• overjealoussuspicious or unduly suspicious or fearful of being displaced by a rival