名詞 profligate:

1. a dissolute man in fashionable society
   同義詞：rake, rakehell, rip, blood, roue
2. a recklessly extravagant consumer
   同義詞：prodigal, squanderer

形容詞 profligate:

1. recklessly wasteful
   同義詞：extravagant, prodigal, spendthrift
2. unrestrained by convention or morality
   同義詞：debauched, degenerate, degraded, dissipated, dissolute, libertine, riotous, fast

1. One who wastes, especially one who wastes money; a profligate.
   浪費(fèi)者浪費(fèi)之人，尤指浪費(fèi)錢(qián)財(cái)?shù)娜? 敗家子

prof.li.gate

adj.（形容詞）
Given over to dissipation; dissolute.
放蕩的：沉迷于揮霍無(wú)度的；放蕩的
Recklessly wasteful; wildly extravagant.
恣意揮霍的：毫不在意地浪費(fèi)的；極其奢侈的
n.（名詞）
A profligate person; a wastrel.
放蕩的人，恣意揮霍的人

來(lái)源：
Latin prôflog3tus [past participle of] prôflog3re [to ruin, cast down]
拉丁語(yǔ) prôflog3tus [] prôflog3re的過(guò)去分詞 [毀壞，毀滅]
prô- [forward] * see pro-
prô- [向前] *參見(jiàn) pro-
-flog3re [intensive of] flogere [to strike down]
-flog3re [] flogere的強(qiáng)調(diào)成分 [擊落]

【引伸】
prof.ligacy
prof.ligately
adv.（副詞）