subterranean

adjective/ˌsʌbtəˈreɪniən/

Frequency rank: #11,661 of 20,003 in the WORDED list (wordfreq data)

Meaning

existing or situated underground.

Illustration for the English word “subterranean”

Example sentence

The explorers discovered subterranean caves beneath the old city that had been hidden for centuries.

Synonyms & related words

More words in ranks 11,601–11,700