Word Origin See more synonyms on Thesaurus.com of, pertaining to, characterized by, or subject to tides: a tidal current. dependent on the state of the tide as to time of departure: a tidal steamer. Related forms tid·al·ly, adverb non·tid·al, adjective un·tid·al, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for tidally relating to, characterized by, or affected by tides a tidal estuary dependent on the state of the tide a tidal ferry (of a glacier) reaching the sea and discharging floes or icebergs Derived Forms tidally, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for tidally tidal adj.
1807, a hybrid formation from
tide (n.) + Latin-derived suffix -al (1). A tidal wave (1830) is properly high water caused by movements of the tides; erroneous use for "tsunami, great ocean wave caused by an earthquake, etc." is recorded from 1878.
Online Etymology Dictionary, © 2010 Douglas Harper
tidal (tīd ′l) Resembling the tides; alternately rising and falling.
The American Heritage® Stedman's Medical Dictionary
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