adj
tidal
TEYE-dl
adj
1
Relating to, caused by, or affected by the tides.
"The harbour is only accessible at high tide because of the tidal currents."
"Engineers are exploring tidal energy as a renewable power source."
How to Use Tidal
Learner’s notesIn plain EnglishHaving to do with the rise and fall of the sea.
Common pairings
tidal wave
tidal energy
tidal river
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The harbour is only accessible at high tide because of the _____ currents.
Etymology
From "tide" plus the adjective-forming suffix "-al."