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Underground

11 lettersadjectivecommon

Updated February 2026

Definition

Beneath the surface of the earth, or operating secretly and often illegally. It can also refer to railway systems running below ground.

The underground railway system connects all major areas of the city.

Related Words

Synonyms

subterraneanbelow-groundsecret

Word Game Tips

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Wordle

Contains two U's and two R's; compound word UNDER-GROUND

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Scrabble

Worth 14 points; good length for strategic placement

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