The Oxford Thesaurus An A-Z Dictionary of Synonyms - jealous adj.

1) resentful, bitter, grudging, envious, covetous, green with envy, green-eyed: Brian is jealous of attention paid to anyone but himself. 2) distrustful, distrusting, mistrustful, mistrusting, suspicious; anxious, insecure, threatened, imperilled, vulnerable: Ken is very jealous of Kathleen. If anyone so much as looks at her, he feels jealous.