Real Dictionary

envy
singular noun: If a thing or quality is the envy of someone, they wish very much that they could have or achieve it.
uncountable noun: Envy is the feeling you have when you wish you could have the same thing or quality that someone else has.
verb: If you envy someone, you wish that you had the same things or qualities that they have.

envy in American English
a feeling of discontent and ill will because of another's advantages, possessions, etc.; resentful dislike of another who has something that one desires
to feel envy toward, at, or because of; regard with envy
to feel or show envy
intransitive verb: to be affected with envy
noun: a feeling of discontent or covetousness with regard to another's advantages, success, possessions, etc
transitive verb: to regard with envy; be envious of

envy in British English
noun: a feeling of grudging or somewhat admiring discontent aroused by the possessions, achievements, or qualities of another
verb: to be envious of (a person or thing)