What goes through a door but never goes in. And never comes out?

What goes through a door but never goes in. And never comes out?

Other Difficult Riddles

Useful tool for who in darkness dwell. Within you, corrupting like a deadly spell.

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You can hold it without using your hands or arms. What is it?

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What common verb becomes its own past tense by rearranging its letters?

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Although I'm not an insect, some people found me very difficult to exterminate. They called me something like 'insane priest.' The first half of my name means the same as 'scrape,' & my last three letters are a metal. Who am I?

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They're up near the sky, on something very tall. Sometimes they die, only then do they fall.

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Riddle of the Day

Mar 14, 2026

They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.

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