silver bullet

American  

noun

1. a quick solution to a difficult problem.

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Etymology

Origin of silver bullet

First recorded in 1930–35; from the belief that supernatural beings, as werewolves, can be killed with a silver bullet

Example Sentences

At the heart of that debate is a bigger question: Is AI a tool—a silver bullet to answer hard questions or find new efficiencies?

From The Wall Street Journal

South Korean filmmakers generally accept generative AI as an unstoppable trend, if not a silver bullet that could save an industry beleaguered by rising costs.

From BBC

While directionally positive, these deals are hardly a silver bullet for faster exports growth and won't substitute for deeper trade reform, say experts.

From BBC

Nonetheless, Reeves believes "it is not a silver bullet" and there is no point in taking testosterone without making other changes to your lifestyle.

From BBC

Of course, swapping out polyester underwear isn’t a silver bullet.

From The Wall Street Journal