ENVIOUS (adjective) definition and synonyms | Macmillan Dictionary.

Is envy an adjective or noun?

Envy can be used as a noun or as a verb: Envy (noun) is the feeling you have when you envy (verb) what someone else has.

Is Jealous an adjective or adverb?

Jealous means “apprehensive or vengeful out of fear of being replaced by someone else.” It can also mean “watchful,” “anxiously suspicious,” “zealous,” or “expecting complete devotion.” The last is normally applied to God. The noun form is jealousy; the adverb form, jealously.