subterranean

IPA: sʌbtɝˈeɪniʌn

Examples of "subterranean" in Sentences

The subterranean tunnels beneath the city were rumored to be haunted by ghosts
Explorers ventured deep into the subterranean caves, discovering ancient artifacts
The subterranean world of insects and rodents was mysterious and unsettling to many
The miners descended into the subterranean depths, searching for precious metals
The subterranean waterways provided a hidden passage for smugglers to transport their illicit goods