Definition of tide noun from the Oxford Advanced American Dictionary

     

    tide

     noun
    noun
    NAmE//taɪd//
     
     
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  1. 1[countable, uncountable] a regular rise and fall in the level of the ocean, caused by the pull of the moon and sun; the flow of water that happens as the ocean rises and falls the ebb and flow of the tide The tide is in/out. Is the tide coming in or going out? The body was washed up on the beach by the tide. see also high tide, low tide, neap tide, spring tide
  2. 2[countable, usually singular] the direction in which the opinion of a large number of people seems to be moving It takes courage to speak out against the tide of opinion. There is a growing tide of opposition to the idea. a tide of optimism
  3. 3[countable, usually singular] a large amount of something unpleasant that is increasing and is difficult to control There is anxiety about the rising tide of crime. Measures have been taken to stem the tide of pornography (= stop it from getting worse).
  4. 4[singular] tide of something a feeling that you suddenly have that gets stronger and stronger A tide of rage surged through her.
  5. 5-tide [singular] (old use) (in compounds) a time or season of the year Christmastide
  6. Idioms
    go, swim, etc. with/against the tide
     
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    to agree with/oppose the attitudes or opinions that most other people have
    the tide turned,turn the tide
     
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    used to say that there is a change in someone's luck or in how successful they are being The tide turned for Nadal at the start of the second set. This contract is probably our last chance to turn the tide.
See the Oxford Advanced Learner's Dictionary entry: tide