high-water mark
Americannoun
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a mark showing the highest level reached by a body of water.
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the highest point of anything; acme.
Her speech was the high-water mark of the conference.
noun
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the level reached by sea water at high tide or by other stretches of water in flood
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the mark indicating this level
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the highest point
Etymology
Origin of high-water mark
First recorded in 1545–55
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They racked up some electoral wins, and at their high-water mark received 7.1% of the vote in 1989 European Parliament elections in West Germany.
If Hillquit’s mayoral campaign was close to a high-water mark for official American socialism, it was also the beginning of the end.
From Salon
They've come to see that moment of celebration after the inquests as their high-water mark.
From BBC
Trump's discredited audio-visual presentation of what he said was the systematic extermination of white Afrikaner farmers was the high-water mark of their lobbying efforts, amplified as they were in the Oval Office.
From BBC
It remains for me the high-water mark of Beckett acting.
From Los Angeles Times
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.