There are a variety of synonyms for the word "jealous." Some of the most common alternatives include envious, covetous, possessive, possessory, suspicious, resentful, and green-eyed. Each of these words carry a similar connotation of a feeling of insecurity or unease when someone else has something that we want or feel we deserve. While jealousy can be a natural human emotion, it can also be destructive and lead to unhealthy relationships. Using synonyms for "jealous" can help individuals better understand their own emotions and communicate more effectively with others in order to prevent harmful situations from arising.