high-water mark noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of high-water mark noun from the Oxford Advanced American Dictionary

high-water mark

noun

1a line or mark showing the highest point that the ocean or floodwater has reached We pulled the boat up the beach above the high-water mark.

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2(figurative) the high-water mark of Parisian fashion (= the most successful time) compare low-water mark

See high-water mark in the Oxford Advanced Learner's Dictionary

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