high tide - definition and synonyms


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singularhigh tide
pluralhigh tides
  1. 1
    [countable/uncountable] the time when the sea reaches the highest level

    What time is high tide?

    The best time to swim is at high tide.

  2. 2
    [singular] the point when something has reached its highest level of success

    The 1970s saw the high tide of Scottish nationalism.