tidal

adjective

tid·​al ˈtī-dᵊl 

1

a

: 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

tidally

ˈtī-dᵊl-ē 

adverb

Examples of tidal in a Sentence

Recent Examples on the Web

Following the dinner, guests relax by a campfire on the tidal flats to enjoy dessert with a view of the incoming tide. —Caitlin Palumbo, Forbes, 15 Jan. 2025

Youngsters can enjoy exploring the tidal pools formed by the many rocks. —Sandy Allen, AFAR Media, 10 Jan. 2025

Shelf life: Hand-harvested from tidal pools or seawater, they're best used within three years to retain their flavor and texture. —Katie Rosenhouse, Southern Living, 9 Jan. 2025

An early formation date satisfies the physicists studying planet formation, while explaining that the later dating recorded from the rocks is due to the tidal reheating. —Francis Nimmo, JSTOR Daily, 9 Jan. 2025

Word History

First Known Use

1807, in the meaning defined at sense 1a

Phrases Containing tidal

• tidal wave

Kids Definition

tidal

adjective

tid·​al ˈtīd-ᵊl 

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

Medical Definition

tidal

adjective

tid·​al ˈtīd-ᵊl 

: of, relating to, or constituting tidal air

interference with the normal tidal exchange of the lungs

—F. R. Mautz & R. M. Hosler