underwater

[uhn-der-waw-ter, -wot-er]

adjective

1. existing or occurring under water.

2. designed to be used under water.

3. located below a ship's waterline.

adverb

1. beneath the water.

   to travel underwater.

noun

1. the water beneath the surface.

   cold currents in the underwater.

2. underwaters, the depths, as of a sea, lake, etc.

underwater

/ ˈʌndəˈwɔːtə /

adjective

1. being, occurring, or going under the surface of the water, esp the sea

   underwater exploration

2. nautical below the water line of a vessel

3. (of a stock option or other asset) having a market value below its purchase value

adverb

1. beneath the surface of the water

Word History and Origins

Origin of underwater¹

First recorded in 1620–30; under- + water

Example Sentences

Two people were killed in Malaysia after floods left stretches of northern Perlis state underwater.

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In Malaysia, two people have been killed in flooding caused by heavy rain that left stretches of northern Perlis state underwater.

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Also read: How to shop for a loan so you don’t end up underwater.

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After further inspection and research, including discussions with colleagues at the Port Authority Waterway, the divers concluded the item bore similarities to sonobuoys used for underwater detection.

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With it now trading below that, they may be hesitant to keep buying while their investments are underwater, especially if they borrowed money to buy it and are now facing margin calls.

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Related Words

• submerged 
• undersea