'Jealous' adjective feeling or showing an envious resentment of someone or their achievements, possessions, or perceived advantages. 'she was always jealous of me' synonyms: envious, covetous, desirous; feeling or showing a resentful suspicion that one's partner is attracted to or involved with someone else. 'a jealous wife' synonyms: suspicious, distrustful, mistrustful, doubting, insecure, anxious.