water level


Definition of water level 

1 : an instrument to show the level by means of the surface of water in a trough or in a U-shaped tube

2 : the surface of still water: such as

a : the level assumed by the surface of a particular body or column of water

b : the waterline of a vessel

Examples of water level in a Sentence

Check the water level of the swimming pool. We should have good water levels through the summer after all this rain.

Recent Examples on the Web

The water levels were expected to top the peaks set by Hurricanes Matthew and Floyd by three to four feet, the weather service said. Jon Kamp, WSJ, "South Carolina Faces More Flooding as Rivers Continue to Crest," 25 Sep. 2018 At more than 400,000 gallons an hour, the pumping power stabilized the water level, and lowered it on drier days. Shibani Mahtani, Washington Post, "‘Time is running out’: Inside the treacherous rescue of boys trapped in a Thai cave," 13 July 2018 Crews have since worked around the clock to pump water out of the vast cave network in hopes of lowering the water level far enough for the boys to wade out. Dan Gartland, SI.com, "FIFA President Gianni Infantino Invites Trapped Thai Soccer to World Cup Final," 6 July 2018 Over the past four days, the Thai military has been using hundreds of industrial pumps to lower the water level by 40 percent, according to the Guardian. Radhika Viswanathan, Vox, "Why 12 Thai boys are still trapped in a cave, days after being found," 5 July 2018 Photo: Linh Pham/Getty Images In an attempt to lower water levels, engineers set up heavy-duty pumps to drain water. Jake Maxwell Watts, WSJ, "The Thai Cave Rescue, Before Its Triumph, Teetered on the Brink of Disaster," 11 July 2018 Authorities say the mission could take three to four days in a desperate race against the monsoon rains that could raise water levels in the cave. Robyn Dixon, latimes.com, "Divers rescue more boys from flooded Thailand cave, raising total saved to eight, while four boys and coach remain trapped," 9 July 2018 Workers have been pumping water out of the cave around the clock, and authorities said Monday that heavy downpours did not raise water levels inside. Shibani Mahtani, BostonGlobe.com, "Rescuers bring 4 more Thai boys out of flooded cave," 9 July 2018 Massive pumps are being used to lower water levels to shorten the underwater distances. Editors, USA TODAY, "Thai cave rescue operation underway to recover remaining boys, coach: What we know now," 10 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'water level.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of water level

circa 1560, in the meaning defined at sense 2

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Last Updated

6 Dec 2018

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Time Traveler for water level

The first known use of water level was circa 1560

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More Definitions for water level

water level


English Language Learners Definition of water level

: the height of the surface of water in a lake, river, etc.

More from Merriam-Webster on water level

Rhyming Dictionary: Words that rhyme with water level

Britannica.com: Encyclopedia article about water level

Comments on water level

What made you want to look up water level? Please tell us where you read or heard it (including the quote, if possible).


to make faulty or ineffective

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