1. showing extreme greed for material wealth; jealous of another's advantages

- jealous of his success and covetous of his possessions

Similar word(s): desirous, wishful, covetous, envious

2. suspicious or unduly suspicious or fearful of being displaced by a rival

- a jealous lover

Similar word(s): distrustful, overjealous

Sentences with jealous as an adjective:

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