Phrase guide

high-water mark

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A mark, such as a line of seaweed, showing the highest level reached by a body of water.

Definition source: English Wiktionary via Wiktextract

Qualifier: literal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: low-water mark

Broader terms: watermark, waterline

2

noun

Meaning 2

The peak, apex or acme of something; the maximum level; the furthest or highest point.

Definition source: English Wiktionary via Wiktextract

Usage: broadly, figuratively

Examples

  • The Gettysburg campaign was the high-water mark of the Confederacy's invasions of the North.

Meaning relationships

Synonyms: none provided

Antonyms: low-water mark

3

noun

Meaning 3

a line marking the highest level reached

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: water line, watermark

History

Etymology

No etymology was provided for this word.

Across languages

Translations

3 source translations are retained for this English entry.

  • German: Hochwassermarke — mark showing the highest level reached by a body of water
  • Māori: tahakupu — mark showing the highest level reached by a body of water
  • Swedish: högvattenmärke — mark showing the highest level reached by a body of water