Meanings of foil when in English

I can't afford to keep a button on my foil when my opponent doesn't.

He was foiled when the FBI issued an alert to New York police.

He was foiled when he tried to tempt by addressing desires.

However, the plan was foiled when his wife activated a panic alarm in the house, alerting gardaí.

She was a little bit short with me. Kirin's hopes of a quick escape were foiled when his car wouldn't start.

The Australian cheating plot was foiled when TV cameras spotted Bancroft seeking to alter the condition of the ball with sandpaper.

However, his chance to be the hero was foiled when his final straightaway shot caromed off the right side of the rim.

His alleged attack was foiled when Israeli soldiers at a West Bank checkpoint challenged him and he raised his arms in surrender.

American investigators were today looking into whether a fifth suicide hijacking was foiled when a flight from Boston to Los Angeles was cancelled.

But their plan to hold him to ransom for £2 million was foiled when film producers were tipped off and hired secret agents.

The abduction was foiled when the chief suspect ordered his hostage to go into a petrol station shop to get cigarettes for him.

'There may have been a similar plot to attack Rome, which we foiled when we disrupted the factory in Washington state.'

The conspiracy was foiled when the gang's boat ran out of fuel and foundered off Mizen Head on July 2nd, 2007.