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tide

/taɪd/
IELTSAcademic
noun
  1. 1.

    The regular rise and fall of the sea, caused by the moon and the sun. It can also mean the water level at a particular time.

    • The tide is coming in.
    • We walked back before high tide.
    • Fishing is better at low tide.
  2. 2.

    A strong movement or trend that affects many people or things. It often suggests a force that is hard to stop.

    • There is a tide of support for change.
    • The tide of public opinion turned.
    • They tried to fight the tide of events.

Adinary Nuance

Tide is more specific than wave. A wave is one moving rise of water, but a tide is the regular sea level change over time. It is also more concrete than current, which means moving water or a general flow. In figurative use, tide suggests a large force or trend that keeps moving.

In other languages

Vietnamese
thủy triều
Spanish
marea
Chinese
潮汐
Japanese
Korean
조수

Etymology

Old English tīd meant 'time' or 'season'. The sea meaning developed later from the idea of a regular time or turn. It is related to old Germanic words for time.

Common phrases

high tidelow tidetide of opinionturn the tide

Synonyms

Related words

Frequently asked questions

What is the difference between tide and wave?
A tide is the regular rise and fall of sea level. A wave is a moving part of water on the surface.
Is tide used in formal writing?
Yes. It is common in both everyday speech and formal writing, especially about the sea or change.
What does 'turn the tide' mean?
It means to change a bad situation into a better one, or reverse the direction of events.
Can tide be used for opinions or trends?
Yes. People often say 'the tide of opinion' or 'a tide of change'.