nonprudent
/nɑnˈpruːdənt/Definitions
1. adjective
Lacking or characterized by a lack of prudence; unwise or imprudent.
“The nonprudent decision to invest in the failing company resulted in significant financial losses.”
2. noun
A person who acts imprudently or without prudence.
“The nonprudent investor was sued for his role in the financial scandal.”