prod·i·gal 
/ˈprɑ:dɪgəl/ adjective
always used before a noun /ˈprɑ:dɪgəl/ adjective formal : carelessly and foolishly spending money, time, etc.
▪ a prodigal spender ▪ a prodigal lifestyle
▪ a prodigal spender ▪ a prodigal lifestyle
prodigal son/daughter
: a son/daughter who leaves his or her parents to do things that they do not approve of but then feels sorry and returns home — often used figuratively ▪ He left the company several years ago, but now the prodigal son has returned.
— prodigal noun, plural prodigals [count]
▪ The prodigal [=prodigal son/daughter] has returned.
▪ The prodigal [=prodigal son/daughter] has returned.
