In the Bible, the Prodigal Son leaves home and wastes all his money, but when he returns, he feels sorry. Use the adjective prodigal to describe someone who spends too much money, or something very wasteful.
Prodigal usually applies to the spending of money. In the Bible, the Prodigal Son leaves home and wastes all his money, but when he returns, he feels sorry. You could also use this word to describe something that is very abundant or generous in quantity, such as prodigal praise. Prodigal comes from Latin prodigere "to drive away, waste," from the prefix prod- "forth" plus agere "to drive."
