What context can I use each word in?
Learn when and how to use these words with these examples!
subterranean
Example
The subterranean tunnels were used for smuggling goods across the border. [subterranean: adjective]
Example
The moles are subterranean animals that dig tunnels underground. [subterranean: adjective]
underground
Example
The underground bunker was designed to withstand natural disasters. [underground: adjective]
Example
The resistance movement operated underground to avoid detection by the authorities. [underground: adverb]
Good things to know
Which word is more common?
Underground is more commonly used than subterranean in everyday language. Underground is versatile and covers a wide range of contexts, while subterranean is less common and tends to be used in scientific or technical contexts.
What’s the difference in the tone of formality between subterranean and underground?
Both subterranean and underground can be used in formal or informal contexts, but subterranean may be perceived as more formal due to its technical connotations.
