PROFLIGATE

I. adjective Etymology: Latin profligatus, from past participle of profligare to strike down, from pro- forward, down + -fligare (akin to fligere to strike); akin to Greek phlibein to squeeze Date: 1647 completely given up to dissipation and licentiousness, wildly extravagant ; prodigal , ~ly adverb II. noun Date: 1709 a person given to wildly extravagant and usually grossly self-indulgent expenditure