1. describes someone or something that lacks prudence, caution, or good judgment; acting without due care or consideration
It is imprudent to drive too fast in bad weather.
É imprudente dirigir muito rápido em mau tempo.
2. characterizes behavior that shows a lack of wisdom or foresight
It is imprudent to spend all your savings at once.
É imprudente gastar todas as suas economias de uma vez.