underwater
adjective
un·der·wa·ter
ˌən-dər-ˈwȯ-tər 
-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
There are growing fears among NATO members that Russian President Vladimir Putin could target underwater cables and critical infrastructure that are vital to global communication systems.
—
John Mac Ghlionn, Newsweek, 14 Jan. 2025
In photos obtained by Metro from the scene, the white car could be seen partially underwater in a ditch while leaning to the side.
—Escher Walcott, People.com, 13 Jan. 2025
The last checkpoint was a swim to an underwater scooter; after obtaining their scooter, the players had to use it to swim and collect tokens.
—Emily Longeretta, Variety, 9 Jan. 2025
Often seen around underwater propellers, cavitation is the formation of gas bubbles in a liquid due to pressure changes.
—Forbes, 9 Jan. 2025
See all Example Sentences for underwater 
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John Mac Ghlionn, Newsweek, 14 Jan. 2025
In photos obtained by Metro from the scene, the white car could be seen partially underwater in a ditch while leaning to the side.
—Escher Walcott, People.com, 13 Jan. 2025
The last checkpoint was a swim to an underwater scooter; after obtaining their scooter, the players had to use it to swim and collect tokens.
—Emily Longeretta, Variety, 9 Jan. 2025
Often seen around underwater propellers, cavitation is the formation of gas bubbles in a liquid due to pressure changes.
—Forbes, 9 Jan. 2025
See all Example Sentences for underwater
Articles Related to underwater
Dictionary Entries Near underwater
Cite this Entry
“Underwater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underwater. Accessed 22 Jan. 2025.
Copy CitationKids Definition
underwater
adjective
un·der·wa·ter
ˈən-dər-ˈwȯt-ər
-ˈwät-
: lying, growing, worn, performed, or operating below the surface of the water
underwater plants
an underwater cave
underwater
adverb
-ˈwȯt-
-ˈwät-
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