underwater

adjective

un·​der·​wa·​ter ˌən-dər-ˈwȯ-tər How to pronounce underwater (audio)
-ˈwä-
1
: lying, growing, worn, performed, or operating below the surface of the water
underwater plants
2
: being below the waterline of a ship
3
a
: having, relating to, or being a mortgage loan for which more is owed than the property securing the loan is worth
b
: having, relating to, or being a stock option for which the price of the option is higher than the current market value of the stock
underwater adverb

Examples of underwater in a Sentence

underwater plants don't require as much light to grow as surface plants a vessel designed for underwater exploration
Recent Examples on the Web The interior by Alberto Pinto remains a secret, aside from the yacht’s six pools, a 3,300-square-foot spa, and an underwater observation room. Julia Zaltzman, Robb Report, 8 Apr. 2024 Rocket-building skills also transfer over into other areas such as underwater exploration and defense industries, Christensen said. Phil Diehl, San Diego Union-Tribune, 6 Apr. 2024 Another Crab's Treasure Platforms: Nintendo Switch, PC, Xbox One, Xbox Series X/S, PS5 Release Date: April 25, 2024 Dark Souls gameplay meets quirky indie charm in this ambitious underwater adventure. PCMAG, 6 Apr. 2024 Hamstrung by poor visibility in Baltimore’s Patapsco River, divers are using sonar to help navigate the underwater wreckage of the Francis Scott Key Bridge. Sarah Kuta, Smithsonian Magazine, 5 Apr. 2024 Peacock’s Love Island online shopping page includes a $75 flamingo pool float and a $19 underwater camera. Mia Sato, The Verge, 5 Apr. 2024 Thawing Arctic ice could mean more underwater internet cables. Morgan Haefner, Quartz, 3 Apr. 2024 The underwater call of the sperm whale, the earth’s loudest, registers at 230 decibels. Clare Mulroy, USA TODAY, 3 Apr. 2024 Ongoing cleanup efforts have included isolating a section of an underwater natural gas pipeline, the Baltimore Gas and Electric Company told CNN in an email Saturday. Dalia Faheid, CNN, 31 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'underwater.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1627, in the meaning defined at sense 1

Time Traveler
The first known use of underwater was in 1627

Dictionary Entries Near underwater

Cite this Entry

“Underwater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underwater. Accessed 17 Apr. 2024.

Kids Definition

underwater

adjective
un·​der·​wa·​ter ˈən-dər-ˈwȯt-ər How to pronounce underwater (audio)
-ˈwät-
: lying, growing, worn, performed, or operating below the surface of the water
underwater plants
an underwater cave
underwater
-ˈwȯt-
-ˈwät-
adverb

Legal Definition

underwater

adjective
un·​der·​wa·​ter
1
: owing more on a mortgage loan than the property securing the loan is worth
underwater homeowners
2
: being or relating to a mortgage loan in which more is owed than the property securing the loan is worth
underwater mortgages
underwater properties

More from Merriam-Webster on underwater

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!