<p><strong>Noun</strong></p><ul><li>plural jeal·ous·ies</li><li>jealous resentment against a rival, a person enjoying success or advantage, etc., or against another's success or advantage itself.</li><li>mental uneasiness from suspicion or fear of rivalry, unfaithfulness, etc., as in love or aims.</li><li>vigilance in maintaining or guarding something.</li><li>a jealous feeling, disposition, state, or mood.</li></ul>