She tended to fool away her inheritance on gambling and flashy parties.

They fooled around with the outdated software until their boss noticed.

He fools around in the lab when the professor isn't looking.

When a complicated project needs quick decisions, fools rush in and make things worse.

Even after the oil spill, he still acted like a fossil fool, insisting on driving his gas-guzzler every day.

The fossil fools disrupted the climate summit with slogans denying the science.

Don't try to con her; she's nobody's fool.

As a seasoned negotiator, Maya knew she was no one's fool.

Despite every warning, the fool-hearted traveler set off alone across the frozen moor.

He was punished because he fooled about during the safety briefing.