How to Use "foolish" with Example Sentences

1. Both reactions may come to seem foolish .
2. Tempting fate is never wise ; tempting a flu pandemic is downright foolish .
3. Such are the intricate thought processes of the irredeemably foolish .
4. Making excuses like this is arrogant and foolish .
5. Suppose a successful builder dies and passes on his business to his foolish son .