GRE spendthrift Definition A person who spends money recklessly or wastefully. Example "He was known as a spendthrift who never saved a dime." Sign in to save GRE PDF — $25 ← spell sphere → Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant