Which meaning defines the word subterranean?

A. having both land and water
B. acting as a replacement
C. frightening
D. below ground

D. below ground

The word "subterranean" refers to something that is below the ground. The answer is D. To arrive at this answer, you can break down the word "subterranean" into its component parts: "sub" means under or below, and "terranean" relates to the earth or ground. By combining these parts, we can infer that "subterranean" means below ground. To find the meaning of unfamiliar words, it is helpful to consider the root words or prefixes/suffixes that make up the word, as they can often provide clues to its definition. Additionally, referring to a dictionary or online resource can also be a reliable method to determine the meaning of words.

The meaning that defines the word subterranean is:

D. below ground