if worst comes to worst

Idioms  

1. Also, if worse comes to worst. In the least favorable situation, if the worst possible outcome occurs. For example, If worst comes to worst and the budget is not approved, the government will shut down, or Go ahead and go to school with a cold; if worse comes to worst the teacher will send you home. This expression is nearly always followed by a solution. [Late 1500s]

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Example Sentences

"If worst comes to worst, we have a ballistic parachute system," says Mr Plaut.

From BBC

“So it was like, ‘If worst comes to worst, we’ll just be in here writing songs until the end of time.’

From Washington Post

Meanwhile, all I'm hearing is people telling me to quit worrying about it because it's all over now, and anyway, if worst comes to worst, we can always go hide over there in that garage.

From Salon

We had a nice talk and I made sure to take some photos of him so that if worst comes to worst I'd have a nice memory of visiting him.

From BBC

If worst comes to worst, she writes, armed with a little information, you will be all right.

From Slate