jealous

adjective

1. 1

   Suspecting rivalry in love; troubled by worries that one might have been replaced in someone's affections; suspicious of a lover's or spouse's fidelity.

2. 2

   Protective, zealously guarding, careful in the protection of something one has or appreciates.

   “For you must not worship any other god, for the Lord, whose name is Jehovah, is a jealous God. —Exodus 34:14 (NET)”

3. 3

   Envious; feeling resentful or angered toward someone for a perceived advantage or success, material or otherwise.

4. 4

   Suspecting, suspicious.