[ 'prɒflɪgət ]
■ adjective recklessly extravagant or wasteful.
↘licentious; dissolute.
■ noun a ~ person.
Derivatives
profligacy noun
~ly adverb
Origin
C16: from L. profligatus 'dissolute', past participle of profligare 'overthrow, ruin', from pro- 'forward, down' + fligere 'strike down'.