1. A decision or selection that demonstrates lack of good judgment, wisdom, or prudence
Leaving his job without another offer lined up was a foolish choice.
Sair do seu emprego sem ter outra oferta de trabalho foi uma escolha tola.
2. An action or decision that is likely to result in negative consequences or regret
Investing all his savings in that scheme proved to be a foolish choice.
Investir todas as suas economias naquele esquema provou ser uma escolha tola.