from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To spend lavishly.
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. To act as a prodigal; to spend liberally.
- transitive v. To expend lavishly.
from The Century Dictionary and Cyclopedia
- To spend or give with prodigality or profuseness; lavish; prodigate.
- To be extravagant in expenditure: with an indefinite it.
- Also spelled prodigalise.
prodigal + -ize (Wiktionary)