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Definition of subsurface

subsurface

/ˈsʌbˌsɝːfɪs/
sub · sur · face
Plural:subsurfaces
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subsurface Lexical Profile

subsurface Game Scores & Validity

• adjective

1

Located, occurring, or operating beneath the surface of the earth or a body of water.

Example

"Geologists used ground-penetrating radar to map the subsurface rock layers before drilling."

Synonyms
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Antonyms
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• noun

1

The stratum or region of soil, rock, or water situated immediately beneath a surface.

Example

"Moisture levels in the subsurface remained high despite several weeks of dry weather."

Synonyms
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Antonyms
View all antonyms for subsurface

• Nearby Words

substitute
substitution
substructure
subsurface
subsystem
subtask
subtenant

Cite this Entry

Wordmom. (2026). Definition of Subsurface. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/subsurface
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