high-water mark

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high-water mark

noun high-water marks

  1. A mark, such as a line of seaweed, showing the highest level reached by a body of water. This imposing structure, which not only carries the single track branch line but also the gas main supplying the Forest of Dean area, cost £200,000 when it was built in 1879, and at its highest point is 70ft above the high-water mark.

    Opposite: low-water mark

  2. broadly, figuratively The peak, apex or acme of something; the maximum level; the furthest or highest point. The Gettysburg campaign was the high-water mark of the Confederacy's invasions of the North.

    Opposite: low-water mark

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noun mark showing the highest level reached by a body of water

DeutschHochwassermarke

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MLA

"high-water mark." Wiktionary, via Micwyn, micwyn.com/word/high-water%20mark. Accessed 6 Nov. 2026.

APA

high-water mark. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/high-water%20mark

Chicago

"high-water mark." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/high-water%20mark.

BibTeX
@misc{high_water_mark_2026,
  title = {high-water mark},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/high-water%20mark},
  urldate = {2026-11-06}
}