unfiscal
/ʌnˈfɪskəl/Definitions
1. adjective
relating to or characteristic of a lack of fiscal responsibility or prudence
“The government’s unfiscal policies have led to a significant increase in national debt.”
2. adverb
in a manner that is not fiscally responsible or prudent
“The company has been running its business in an unfiscal manner for years, and it’s finally facing bankruptcy.”