Tidal

//ˈtaɪ.d(ə)l// adj

adj ·Moderate ·College level

Definitions

Adjective
  1. 1
    Relating to tides. not-comparable

    "Since then, the length of an Earth day has slowed to its present 24 hours due to the fact that the moon's gravitational pull "steals" some of energy Earth uses to spin, in addition to causing tidal friction, according to the Institute."

Adjective
  1. 1
    of or relating to or caused by tides wordnet

Synonyms

All synonyms
affluentaquaticbalnealconfluentcoursingdecurrent

Example

More examples

"Last year in the Philippines, earthquakes and tidal waves resulted in the deaths of more than 6000 people."

Etymology

From tide + -al. Probably a hybrid formation within English. Alternatively it might be from an unattested British Medieval Latin *tīdālis, derived from rare tīda, from Old English tīd. The usual Latin word for “tidal” is aestuālis.

Related phrases

end-tidalmutual tidal lockingtidal accelerationtidal airtidal basintidal boattidal boretidal breathtidal charttidal cracktidal currenttidal curve

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.