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.
As for domestic policy, the high-water mark of federal government power previously was coincidently during the tenure of TR’s distant cousin, Franklin Delano Roosevelt, in the New Deal.
From Barron's
The increase in consumer prices in the 12 months ended in November could inch up to 3.1% from 3.0%, potentially the high-water mark due to tariffs.
From MarketWatch
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.
They've come to see that moment of celebration after the inquests as their high-water mark.
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.