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
Recent Examples on the Web
There’s a tidal change happening in youth culture that is tied to inaccessibility, a response to the devaluing of making art, that’s exciting to see.
—
Los Angeles Times, 12 May 2026
For a bonus adventure, paddle over to the five-acre Crowninshield Island, which boasts a sandy beach, hiking trails, and tidal pools.
—Amy Thomas, Travel + Leisure, 12 May 2026
Nearby, explore Anastasia State Park, a 1600-acre property brimming with wildlife, stunning beaches, maritime hammocks, and tidal marshes.
—Lisa A. Beach, Southern Living, 10 May 2026
This analysis revealed that LFBOTs emerge from very different environments than those generated by some of those suggested supernova scenarios, and do not occur in the environments generally expected for tidal disruption events.
—Robert Lea, Space.com, 8 May 2026
See All Example Sentences for tidal
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Los Angeles Times, 12 May 2026
For a bonus adventure, paddle over to the five-acre Crowninshield Island, which boasts a sandy beach, hiking trails, and tidal pools.
—Amy Thomas, Travel + Leisure, 12 May 2026
Nearby, explore Anastasia State Park, a 1600-acre property brimming with wildlife, stunning beaches, maritime hammocks, and tidal marshes.
—Lisa A. Beach, Southern Living, 10 May 2026
This analysis revealed that LFBOTs emerge from very different environments than those generated by some of those suggested supernova scenarios, and do not occur in the environments generally expected for tidal disruption events.
—Robert Lea, Space.com, 8 May 2026
See All Example Sentences for tidal
Cite this Entry
“Tidal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tidal. Accessed 21 May. 2026.
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
