shameless dissoluteness.
reckless extravagance.
great abundance.

Origin of profligacy

First recorded in 1730–40; proflig(ate) + -acy
Can be confusedprodigality profligacy Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for profligacy

Contemporary Examples of profligacy

Historical Examples of profligacy

Word Origin and History for profligacy

1670s, from profligate + -cy.

Online Etymology Dictionary, © 2010 Douglas Harper