Synonyms of subsurface

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

Synonyms & Similar Words

• underground
• subterranean
• belowground

Antonyms & Near Antonyms

• surface
• aboveground

Example Sentences

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