Adverb
In a profligate manner.
Source: Webster's dictionaryHe also spent profligately on books for his grand library at Carlton House, his opulent home on Pall Mall in London. Source: Internet
By the end of his Administration, a previously obscure concept called moral hazard—the idea that people behave more profligately when they’re shielded from consequences—had become a guiding doctrine of the right. Source: Internet