belowground

adverb or adjective

be·​low·​ground bi-ˌlō-ˈgrau̇nd How to pronounce belowground (audio)
bi-ˈlō-ˌgrau̇nd
Synonyms of belowgroundnext
: beneath the surface of the earth

Examples of belowground in a Sentence

a vast belowground network of tunnels

Word History

First Known Use

1617, in the meaning defined above

Time Traveler
The first known use of belowground was in 1617

Browse Nearby Words

Cite this Entry

“Belowground.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/belowground. Accessed 5 Jul. 2026.

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