English Reference
noun · verb

tide

n. · v.
US /ˈtaɪd/ UK /tˈaɪd/ tide UK spelling tides

  1. 01 B1 Intermediate

    n.the regular rise and fall of the sea level caused by the moon and sun.

    n.the periodic rise and fall of the waters of the ocean and its inlets, produced by the attraction of the moon and sun.

    Simple

    The children built a sandcastle, but the tide came in and washed it away.

    In context

    The fishing boats remained anchored in the harbour, waiting for the tide to turn before they could safely navigate the shallow channel.

    Usage

    Usually used with 'the'.

  2. 02 B2 Upper Intermediate

    n.the general direction in which something is moving or changing, like public opinion.

    n.the tendency or direction of causes, influences, or events; a metaphorical current of opinion or history.

    Simple

    The tide of public opinion is finally starting to change regarding climate laws.

    In context

    Political analysts observed that the tide of popular support was shifting toward the opposition as the economic crisis deepened.

  3. 03 B2 Upper Intermediate

    v.to help someone survive a difficult period, usually by providing money or food.

    v.to support or sustain someone through a period of difficulty or scarcity; almost exclusively used in the phrasal verb 'tide over'.

    Simple

    Could you lend me twenty dollars to tide me over until payday?

    In context

    The emergency grant was intended to tide the small business over until the insurance claim could be fully processed.

    Usage

    Usually appears as 'tide someone over'.

The high tide of new gas plants won’t arrive for another few years.

Ars Technica· 15 Aug 2026

But they were too late to stop the tide of revolution.

Smithsonian Magazine· 16 Jul 2026

Etymology 1

Etymology tree Proto-Indo-European *deh₂y- Proto-Indo-European *-tis Proto-Indo-European *déh₂itis Proto-Germanic *tīdiz Proto-West Germanic *tīdi Old English tīd Middle English tyde English tide Inherited from Middle English tyde, from Old English tīd, from Proto-West Germanic tīdi, from Proto-Germanic tīdiz, from Proto-Indo-European déh₂itis, from deh₂y- + *-tis. Related to time.

Etymology 2

From Middle English tiden, tide, from Old English tīdan (“to happen”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Common
Updated