SUBSURFACE Synonyms: 5 Similar and Opposite Words

subsurface

adjective

ˌsəb-ˈsər-fəs

as in underground

being, situated, or operating beneath the surface of the earth a sandy wasteland that gave little hint of its subsurface wealth

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of subsurface Evaluation protocols of subsurface measurements and training of all rig site personnel have improved the drilling economics of this geothermal project. —

Ian Palmer, Forbes, 19 May 2022 Shallow pools of subsurface water froze and fractured the surface again and again. —

Joshua Hawkins, BGR, 22 Apr. 2022 This is an important scientific mission tasked with searching for ice at the south pole and using a one-meter drill to prospect for subsurface samples. —

Eric Berger, Ars Technica, 20 Apr. 2022 So Marco Mastrogiuseppe, a researcher on the Cassini team who had used instruments like RADAR to map subsurface water on Mars, decided to try something. —

Liz Kruesi, Discover Magazine, 28 Oct. 2015 See All Example Sentences for subsurface

Recent Examples of Synonyms for subsurface

Adjective

View gallery - 3 images Over the last few years, an ambitious moonshot project spun out of Google has been developing fascinating technologies to deliver connectivity across communities without the need for underground cables.

— Abhimanyu Ghoshal, New Atlas, 28 Feb. 2026
The City of Atlanta Department of Watershed Management is building an underground vault with a park on top to improve stormwater management, enhance drainage, and reduce flooding and sewer overflow that have historically affected the area.

— Drew Kann, AJC.com, 28 Feb. 2026