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Definitions

underground

[uhn-der-ground, uhn-der-ground] / ˈʌn dərˈgraʊnd, ˈʌn dərˌgraʊnd /




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Within hours of the initial strikes on Iran, major hospitals across Israel shifted to maximum emergency readiness, moving patients and critical departments underground.

From Barron's • Apr. 10, 2026

After leaving Earth and partying around the solar system, she winds up in one of the underground neighborhoods on Mars, thoroughly burned out.

From The Wall Street Journal • Apr. 9, 2026

Mexican army divers have rescued a miner from a flooded underground tunnel two weeks after he was first trapped.

From BBC • Apr. 9, 2026

Geothermal energy systems require electronics that can function deep underground, where surrounding rock can glow red-hot.

From Science Daily • Apr. 7, 2026

I’ve been underground so long that it takes a second to adjust to sunlight.

From "The Manifestor Prophecy" by Angie Thomas




Vocabulary lists containing underground