nuclear option

British  

noun

1. the use of or power to use nuclear weapons

2. the use of or power to use a measure considered to be particularly drastic

   the nuclear option of a confidence vote

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Example Sentences

“That’s a nuclear option,” he added.

From The Wall Street Journal

He also joked that he had taken the "nuclear option" by calling for Sir Keir to go.

From BBC

Massie has threatened to use a “nuclear option” to bring justice to the survivors: reading the unredacted names of Epstein associates from files only made available to members of Congress.

From Salon

The bar is high to activate the tool, deemed by some to be Europe’s “nuclear” option, says Cedric Gemehl, an analyst at Gavekal focused on Europe.

From Barron's

However, this is the nuclear option.

From BBC