as in aquatic
living, lying, or occurring below the surface of the water
underwater plants don't require as much light to grow as surface plants a vessel designed for underwater exploration
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Example Sentences
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Recent Examples of underwater
Popular among scuba divers and cliff jumpers, the swimming hole is open year-round, giving you a chance to explore its underwater corridors in any season.
—
Talia Avakian, Travel + Leisure, 14 May 2026
The design avoids auxiliary buoyancy structures, which typically increase drag in soft underwater robots.
—Neetika Walter, Interesting Engineering, 14 May 2026
Participants report profound emotional and spiritual connections during underwater visits and ancient libation ceremonies, as part of broader efforts to document slave shipwrecks and preserve Black history.
—Deepa Bharath, Los Angeles Times, 14 May 2026
And the scope of work on site is broad, ranging from underwater drone development to autonomous snow clearing.
—CBS News, 13 May 2026
See All Example Sentences for underwater
Talia Avakian, Travel + Leisure, 14 May 2026
The design avoids auxiliary buoyancy structures, which typically increase drag in soft underwater robots.
—Neetika Walter, Interesting Engineering, 14 May 2026
Participants report profound emotional and spiritual connections during underwater visits and ancient libation ceremonies, as part of broader efforts to document slave shipwrecks and preserve Black history.
—Deepa Bharath, Los Angeles Times, 14 May 2026
And the scope of work on site is broad, ranging from underwater drone development to autonomous snow clearing.
—CBS News, 13 May 2026
See All Example Sentences for underwater
Recent Examples of Synonyms for underwater
Adjective
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These in turn lead to dead zones in waterways where oxygen levels drop, killing aquatic organisms like fish.—
Christopher McFadden,
Interesting Engineering,
10 May 2026
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Florida’s laws mandate protection of minimum aquifer levels and spring flows that do not result in significant harm to aquatic and human use values.—
Robert Knight,
The Orlando Sentinel,
8 May 2026
Adjective
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One of the major functions of modern navies is submarine hunting.—
New Atlas,
New Atlas,
18 Jan. 2026
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Last December, lawmakers passed a short-term funding bill that included $5.7 billion in emergency funding for the submarine industrial base.—
Lisa Hagen,
Hartford Courant,
6 Aug. 2025
Adjective
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Police also determined that the submerged van, which had the logo for Silver Taxi Cab Service of Waldorf, had gone missing in December 2014.—
JT Moodee Lockman,
CBS News,
8 May 2026
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Los Angeles firefighters pulled Andrade’s teenage son from the lake first, but struggled to locate the father, who remained submerged.—
Anthony Thompson,
USA Today,
28 Apr. 2026
Cite this Entry
“Underwater.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underwater. Accessed 19 May. 2026.
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