What is another word for sub terrestrial?
Pronunciation: [sˈʌb təɹˈɛstɹɪəl] (IPA) 
Sub terrestrial is a word that describes something that exists or thrives below the surface of the earth. There are a number of synonyms that can be used in place of sub terrestrial. These include underground, subterraneous, subterranean, subaqueous, underwater, and subaquean. Each of these words has a slightly different connotation and can be used to describe different aspects of something that exists or thrives under the earth or under water. It's important to choose the right synonym based on the context and intended meaning of the sentence or phrase in which it will be used.
