undersea
1 of 2adjective
un·der·sea ˌən-dər-ˈsē 
1
: being or carried on under the sea or under the surface of the sea
undersea oil deposits
undersea fighting
2
: designed for use under the surface of the sea
an undersea fleet
undersea
2 of 2adverb
variants or underseas
ˌən-dər-ˈsēz
: under the sea : beneath the surface of the sea
photographs taken undersea
Example Sentences
Adjective They are conducting undersea research.
Recent Examples on the Web
Jonathan Burgos, Forbes, 15 Mar. 2022 Geopolitics aside, the United States needs to know just how the USS Connecticut’s accident is likely to stress America’s undersea industrial base. Craig Hooper, Forbes, 3 Nov. 2021 Manufacturing a smartphone, tablet or computer as well as the network that supports them consumes considerable resources — everything from mining rare minerals to laying undersea cables for high-speed internet. Irina Ivanova, CBS News, 22 Apr. 2020 The job encompasses everything from submarines and undersea internet cables to secret space planes and reconnaissance satellites in geosynchronous orbit. Garrett M. Graff, Wired, 26 May 2020 Its broad slopes dip by about one degree from the middle toward the edges, whereas a typical undersea volcano has a decline of five to 10 degrees. William W. Sager, Scientific American, 1 May 2020 They all are found amid the colorful corals and sponges and magnificent undersea formations. Chuck Yarborough, cleveland, 12 Apr. 2020 The ocean is normally a fairly noisy place, with the sounds of happy dolphins, lonely whales and diesel-chugging ships saturating the undersea world. Eric Niiler, Wired, 28 Feb. 2020 Two of the undersea cables that connect South Africa to the global network are again suffering outages, dragging down mobile and landline data speeds nationwide. Brian Browdie, Quartz Africa, 30 Mar. 2020 See More
Adjective
That will be the world’s longest undersea high voltage direct current cable. Jonathan Burgos, Forbes, 15 Mar. 2022 Geopolitics aside, the United States needs to know just how the USS Connecticut’s accident is likely to stress America’s undersea industrial base. Craig Hooper, Forbes, 3 Nov. 2021 Manufacturing a smartphone, tablet or computer as well as the network that supports them consumes considerable resources — everything from mining rare minerals to laying undersea cables for high-speed internet. Irina Ivanova, CBS News, 22 Apr. 2020 The job encompasses everything from submarines and undersea internet cables to secret space planes and reconnaissance satellites in geosynchronous orbit. Garrett M. Graff, Wired, 26 May 2020 Its broad slopes dip by about one degree from the middle toward the edges, whereas a typical undersea volcano has a decline of five to 10 degrees. William W. Sager, Scientific American, 1 May 2020 They all are found amid the colorful corals and sponges and magnificent undersea formations. Chuck Yarborough, cleveland, 12 Apr. 2020 The ocean is normally a fairly noisy place, with the sounds of happy dolphins, lonely whales and diesel-chugging ships saturating the undersea world. Eric Niiler, Wired, 28 Feb. 2020 Two of the undersea cables that connect South Africa to the global network are again suffering outages, dragging down mobile and landline data speeds nationwide. Brian Browdie, Quartz Africa, 30 Mar. 2020 See More Word History
First Known Use
Adjective
1613, in the meaning defined at sense 1
Adverb
1645, in the meaning defined above
Kids Definition
undersea
adjective
un·der·sea ˈən-dər-ˈsē
1
: being or done under the sea or under the surface of the sea
an undersea volcano
2
: used under the surface of the sea
an undersea vessel
undersea
adjective
as in underwater
Synonyms & Similar Words
Relevance
- underwater
- naval
- oceanographic
- nautical
- admiralty
- hydrographic
- oceanographical
- deep-sea
- deepwater
- benthic
- marine
- maritime
- saltwater
- abyssal
- oceanic
- pelagic