Depth and Frontier

Depth

Depth noun - Distance measured from the top to the bottom of something.

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Frontier and depth are semantically related. In some cases you can use "Frontier" instead a noun "Depth".

Frontier noun - A region along the dividing line between two countries.

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Depth and frontier are semantically related. Sometimes you can use "Depth" instead a noun "Frontier".

Nearby Word: frontiersman

full	full depth	full frontier
small	small depth	small frontier
actual	actual depth	actual frontier
entire	entire depth	entire frontier
Other adjectives: real, unexplored.

Settling the Frontier: The Undersea Trilogy, by Pohl and Jack Williamson, was one of the first in-depth (if you'll pardon the pun) explorations of the notion of colonizing the bottom of the sea.

Source: Creator / Frederik Pohl
Settling the Frontier: The Undersea Trilogy (written with Frederik Pohl) was one of the first in-depth (if you'll pardon the pun) explorations of the notion of colonizing the bottom of the sea.

Source: Creator / Jack Williamson

Cite this Source

Frontier and Depth. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/depth/frontier

Depth & Frontier. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/depth/frontier>.

Frontier or Depth. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/depth/frontier.

Google Ngram Viewer shows how "depth" and "frontier" have occurred on timeline