1It would be unwise to invest all your savings in a single stock without diversifying your portfolio.
2The company's decision to downsize during a period of economic growth was widely regarded as unwise.
3She realized that it was unwise to trust him with her secrets, given his history of gossiping.
4The government's unwise policies have led to widespread poverty and inequality.
5In hindsight, it was unwise of me to quit my job without having another one lined up.