tid·​al | \ ˈtī-dᵊl \

Definition of tidal

1a : of, relating to, caused by, or having tides tidal cycles tidal erosion
b : periodically rising and falling or flowing and ebbing tidal waters
2 : dependent (as to the time of arrival or departure) upon the state of the tide a tidal steamer

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Other Words from tidal

tidally \ ˈtī-​dᵊl-​ē \ adverb

Examples of tidal in a Sentence

Recent Examples on the Web

Virginia is already seeing storm surges and tidal flooding, raising concerns at commercial freight and military facilities in the low-lying Tidewater region. Paul Page, WSJ, "Today’s Logistics Report: Rising Port Waters; Suppliers Raise Prices; Tesla’s Slow-Moving Parts," 11 Feb. 2019 Since the far side of the moon never faces the Earth due to the home planet's tidal forces, such a satellite is needed for a successful landing. David Grossman, Popular Mechanics, "China Successfully Lands on Far Side of Moon," 3 Jan. 2019 Due to tidal locking, Earth always faces one side of the Moon, while the other side faces away from our planet. Eric Berger, Ars Technica, "Here’s why China’s launch to the far side of the Moon is a big deal," 10 Dec. 2018 Manomet’s experimental Georgetown farm is a collection of about 75 280-square-foot (26-square-meter) netted areas of tidal mud — essentially clam nurseries — located at the mouth of the Kennebec River. Washington Post, "As clam harvesting declines, could farming be the answer?," 3 June 2018 Nothing in our experience had prepared us to be standing next to the humpback whale that lay on its side on a lonely stretch of Turnagain Arm tidal mud. Steve Meyer, Anchorage Daily News, "A beached whale and a lingering, profound impact," 7 Mar. 2018 Microsoft has even begun submerging them in the ocean to take advantage of power generated by tidal surges. John Markoff, New York Times, "Time Split to the Nanosecond Is Precisely What Wall Street Wants," 29 June 2018 Four feet of tidal surge from Hurricane Harvey rushed into the 1,500-square-foot shop in a strip mall before the roof collapsed on top of $300,000 worth of merchandise. Mary Beth Gahan, Washington Post, "Recovery is a work in progress on the Texas coastline," 31 Mar. 2018 As many residents hunkered down, tidal surges swamped the decks of luxury waterfront condos in Boston, poured through the roof of the Aquarium MBTA station, and flooded the site of the future General Electric Co. headquarters in Fort Point. Michael Levenson, BostonGlobe.com, "Winds, flooding wreak havoc on Mass. as nor’easter batters state," 2 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tidal.' 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 tidal

1807, in the meaning defined at sense 1a

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Statistics for tidal

Last Updated

19 Feb 2019

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Time Traveler for tidal

The first known use of tidal was in 1807

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More Definitions for tidal



English Language Learners Definition of tidal

: of or relating to tides : rising and falling at regular times


tid·​al | \ ˈtī-dᵊl \

Kids Definition of tidal

: of or relating to tides : flowing and ebbing like tides


tid·​al | \ ˈtīd-ᵊl \

Medical Definition of tidal

: of, relating to, or constituting tidal air interference with the normal tidal exchange of the lungs— F. R. Mautz & R. M. Hosler

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More from Merriam-Webster on tidal

Rhyming Dictionary: Words that rhyme with tidal

Spanish Central: Translation of tidal

Nglish: Translation of tidal for Spanish Speakers

Britannica English: Translation of tidal for Arabic Speakers

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