high tide 
noun
1The state of the tide when at its highest level: at high tide you have to go inland...
- The country's coastline lies 1 to 1.5 meters below sea level at high tide, necessitating elaborate systems of drainage canals.
- Storm surge combined with high tides and runoff from rainfall took boaters by surprise as new high water marks were recorded.
- Some bodies of water, including parts of the Pacific Basin, have mixed tides, where a single low tide follows two high tides.
1.1The highest point of something: the high tide of nationalism...
- In his first volume of The Age of Reagan, our friend Steve Hayward begins the story in 1964 at the high tide of liberalism.
- At this period of our life, he would say at the high tide of Victorianism, we need less harping on conscience and more appeals to critical intelligence.
- It was the high tide of American engagement with the Asian country.
- predictable
- predictably
- predicter
- prediction
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- predictionism
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- predictive dialing
- predictive dialler
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- predictive medicine
- predictiveness
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- predictor
- predictory
- predifinition
- predigastric
- predigest
- predigestion
- predigital
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- predilect
- predilected