Greed is a selfish craving for more than you need. Sheer greed, corporate greed, greed and envy.
It is one of the seven deadly sins and the only one anybody has publicly defended, in a famous film speech about greed being good. The word is a back-formation, since greedy came first.
1noungreedA selfish craving for more than you need.
“The company's greed for profit led it to cut corners on safety.”
greed is a craving.
A back-formation from greedy, from Old English graedig.
c. 1600. a back-formation from greedy.
Etymology from Wiktionary, CC BY-SA