| 1. | jealous resentment against a rival, a person enjoying success or advantage, etc., or against another's success or advantage itself. |
| 2. | mental uneasiness from suspicion or fear of rivalry, unfaithfulness, etc., as in love or aims. |
| 3. | vigilance in maintaining or guarding something. |
| 4. | a jealous feeling, disposition, state, or mood. |