greedy; avaricious; covetous
Describes an intense, often excessive desire for money, possessions, power, or food. Can be used as a noun or na-adjective.
He greedily amassed money.
That politician is greedy for power.
He is a student who is hungry for knowledge.
She is greedily absorbing new information.
貪欲 describes an insatiable, almost animalistic hunger for something (food, knowledge, power), while 欲深 is broader and focuses on greed for material gain.
Rarely used kanji form; 慾 is an older variant of 欲.