Surface
Surface adjective - On the surface.
Usage example: surface materials of the moon
Underground is an antonym for surface.
Underground
Underground adjective - Being, situated, or operating beneath the surface of the earth.
Usage example: an underground shopping mall that is part of the city's subway system
Surface is an antonym for underground.
How words are described
Both words in one sentence
- This means about 75% of all machines, both on the surface and underground had catastophic failures.
Source: The Unmasqued World -
There is also an entire orbital layer of battle in addition to the surface and underground sections.
Source: Video Game / Metal Fatigue -
A major theme of the novels is that cultural and religious influences don't ever really go away; they just go underground and surface later.
Source: Literature / Dune
Cite this Source
Underground and Surface. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/surface/underground
Surface & Underground. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/surface/underground>.
Underground or Surface. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/surface/underground.
Google Ngram Viewer shows how "surface" and "underground" have occurred on timeline