avid adj.贪婪的(greedy)
ravenous adj.贪婪的
rapacious adj.贪婪的(avaricious covetous)
greedy adj.贪婪的(voracious insatiable)
covetous adj.贪心的(desirous avaricious)
avarice n.贪婪(greed lust)
Avarice has caused the downfall of many people
avaricious adj,贪婪的 贪心的（greedy）
Bill is so avaricious that he donates nothing to charity
acquisitive adj,贪得无厌的(covetous greedy)
Jane has an acquisitive nature and will probably want a new car just like yours