名詞 prodigal:

1. a recklessly extravagant consumer
   同義詞：profligate, squanderer

形容詞 prodigal:

1. very generous
   同義詞：lavish, munificent, overgenerous, too-generous, unsparing, unstinted, unstinting
2. recklessly wasteful
   同義詞：extravagant, profligate, spendthrift
3. marked by rash extravagance

1. The old man cast off his prodigal son and disinherited him.
   老人斷絕了與他的不肖兒子的關系，并剝奪了他的繼承權。
2. Our manager has a mind prodigal of ideas.
   我們經理的腦子里點子很多。
3. Those prodigals were put into prison.
   那些揮霍者被關進監(jiān)獄。
4. I hate the prodigal administration.
   我痛恨鋪張浪費的行政機關。

prod.i.gal

adj.（形容詞）
Rashly or wastefully extravagant:
揮霍的，奢侈的：非常浪費的或無節(jié)制地花費的：
例句：
They are prodigal in their expenditures.
他們揮霍無度

Marked by rash or wasteful extravagance:
奢侈的：以極度揮霍浪費為特點的：
例句：
a prodigal life.
奢侈的生活

Giving or given in abundance; lavish or profuse:
慷慨的：不吝惜的或大量給出的；豐盛的或過度的：
例句：
prodigal praise.See Synonyms at profuse
極度贊揚參見 profuse

n.（名詞）
One who is given to wasteful luxury or extravagance.
揮霍者：大量浪費金錢的人或追求奢侈的人

來源：
Probably back-formation from prodigality
可能源自 prodigality的逆成詞

【引伸】
prod.igally
adv.（副詞）