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
Synonyms & Similar Words
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Example Sentences
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Recent Examples of underwater
Residents in city the encounter expensive rent, WalletHub said—taking up about 40 percent of median household income for a two-bedroom apartment—and many are affected by underwater mortgages.
—
Joe Edwards, MSNBC Newsweek, 10 July 2025
Trump is slightly underwater on immigration in the RealClearPolitics polling average, a change from earlier in his second term.
—W. James Antle Iii, The Washington Examiner, 12 July 2025
In 1974, architects designed an underwater research station where people would be able to communicate with dolphins.
—Eva Amsen, Forbes.com, 11 July 2025
Within its pages are interesting facts about and images of nature's most beautiful underwater paradises, where our planet's vitality explodes in a cascade of underwater shapes and colors.
—Simon Hill, Wired News, 11 July 2025
See All Example Sentences for underwater
Joe Edwards, MSNBC Newsweek, 10 July 2025
Trump is slightly underwater on immigration in the RealClearPolitics polling average, a change from earlier in his second term.
—W. James Antle Iii, The Washington Examiner, 12 July 2025
In 1974, architects designed an underwater research station where people would be able to communicate with dolphins.
—Eva Amsen, Forbes.com, 11 July 2025
Within its pages are interesting facts about and images of nature's most beautiful underwater paradises, where our planet's vitality explodes in a cascade of underwater shapes and colors.
—Simon Hill, Wired News, 11 July 2025
See All Example Sentences for underwater
Recent Examples of Synonyms for underwater
Adjective
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Pumpkinseeds eat small aquatic invertebrates, insects such as crickets and grasshoppers, minnows and other small fish, snails, worms, mollusks, pieces of vegetation and mosquito larvae, lots of them, which should make humans happy.—
Sheryl De Vore,
Chicago Tribune,
22 July 2025
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Cleaning up the river also helps provide clean water to people and aquatic and land species.—
Debra Utacia Krol,
AZCentral.com,
21 July 2025
Adjective
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Courtney has been pushing the Navy to adopt measures to expand what has become known as the submarine industrial base.—
Edmund H. Mahony,
Hartford Courant,
30 Apr. 2025
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It is expected the Chinese submarine force to grow to 65 boats by 2025 and 80 by 2035 because of an expansion of submarine construction capacity.—
Anders Fogh Rasmussen,
Newsweek,
4 Feb. 2025
Adjective
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Now, the city of Kerrville is refusing to drain the lake, which bubbles with oil from submerged automobiles, Carr said.—
Rachel Frazin,
The Hill,
1 Aug. 2025
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The Baltimore Police Department’s Underwater Recovery Team was called to the Baltimore harbor on July 24 for reports of a submerged vehicle, police told McClatchy News.—
Jennifer Rodriguez,
Miami Herald,
29 July 2025
Cite this Entry
“Underwater.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underwater. Accessed 5 Aug. 2025.
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