high–water mark

noun

Definition of high–water mark

  1. :  highest point :  peak

First Known Use of high–water mark

1691


HIGH–WATER MARK Defined for English Language Learners

high-water mark

noun

Definition of high–water mark for English Language Learners

  • : the time when something is most active, successful, etc.

  • : the highest level that water from a river, ocean, etc., reaches especially during a flood

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