foolishly

adverb
UK /ˈfuːlɪʃli/
US /ˈfuːlɪʃli/

In a way that shows you are not being smart.

He foolishly left his umbrella at home on a rainy day.


OTHER MEANINGS

2. In a way that lacks good sense or judgment.

She foolishly spent all her money on candy.

3. In a way that is not careful about danger.

They foolishly walked on the thin ice.

4. In a way that seems silly or not serious.

He foolishly joked during the quiet ceremony.