greedy vs avid

greedy and avid both are adjectives.

Word	Noun	Adjective	Verb	Adverb
greedy	No	Yes	No	No
avid	No	Yes	No	No

As adjectives, greedy and avid are synonyms defined as:

greedy and avid: (often followed by `for') ardently or excessively desirous

Other synonyms of greedy include devouring, esurient.

greedy (adjective)	avid (adjective)
immoderately desirous of acquiring e.g. wealth	(often followed by `for') ardently or excessively desirous
(often followed by `for') ardently or excessively desirous	marked by active interest and enthusiasm
wanting to eat or drink more than one can reasonably consume