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
Examples of tidal in a Sentence
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But the expansive tidal flats and seclusion of Chapin Memorial Beach can feel truly otherworldly.
—
Cameron Sperance, Travel + Leisure, 7 June 2025
There’s also the option to embark on a river safari, or go fishing and crabbing along the tidal creeks with local anglers.
—Lydia Mansel, Southern Living, 7 June 2025
These explosions also differed from tidal disruption events (TDEs), which are massive releases of energy that occur when extreme gravitational forces around black holes rip stars apart, flinging much of their mass outward into space.
—Brett Tingley, Space.com, 5 June 2025
Similar events known as tidal disruption events (TDEs) are known to occur on a (comparatively) smaller scale, and have been documented for over a decade.
—Andrew Paul, Popular Science, 4 June 2025
See All Example Sentences for tidal
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Cameron Sperance, Travel + Leisure, 7 June 2025
There’s also the option to embark on a river safari, or go fishing and crabbing along the tidal creeks with local anglers.
—Lydia Mansel, Southern Living, 7 June 2025
These explosions also differed from tidal disruption events (TDEs), which are massive releases of energy that occur when extreme gravitational forces around black holes rip stars apart, flinging much of their mass outward into space.
—Brett Tingley, Space.com, 5 June 2025
Similar events known as tidal disruption events (TDEs) are known to occur on a (comparatively) smaller scale, and have been documented for over a decade.
—Andrew Paul, Popular Science, 4 June 2025
See All Example Sentences for tidal
Cite this Entry
“Tidal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tidal. Accessed 13 Jun. 2025.
Copy CitationKids 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
F. R. Mautz & R. M. HoslerLove words? Need even more definitions?
Merriam-Webster unabridged
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