headwaters

plural of headwater
as in tributary
the beginning part of a stream the first exploration of the Missouri River from its mouth to its headwaters was made by Meriwether Lewis and William Clark in the early 1800s

Synonyms & Similar Words

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of headwaters The proposal for developing a mine there, in a breathtakingly scenic area near the headwaters of the Bitterroot River, has attracted fierce opposition from environmental groups, outdoor enthusiasts, and local officials. — Glenn Zorpette, IEEE Spectrum, 15 Oct. 2026 Congress rolled back protections for the Boundary Waters, opening the door to mining in its headwaters. — Mary Beth Laughton, Time, 14 Oct. 2026 According to the post, Kentucky State Police Aviation saw smoke in the area, and wardens and search and rescue personnel were able to access the location, near the headwaters of Cave Run Lake, using a boat. — Caroline Neal, Louisville Courier Journal, 11 Sep. 2026 Others, like salmon, return upstream via Metro-North or the Long Island Rail Road to the suburban headwaters in which they were born, in order to spawn. — Christopher Bonanos, Curbed, 2 Sep. 2026 Clear Creek County Commissioner George Marlin makes a compelling case that alone, his small county of about 9,000 residents could never fund the mitigation needed to protect the headwaters of Clear Creek. — Megan Schrader, Denver Post, 27 Aug. 2026 The agreement was made at a time when the region had a smaller population and benefited from wetter years, with much more snow to feed the river’s headwaters in the Rocky Mountains. — Laura Paddison, CNN Money, 21 Aug. 2026 Following an exceedingly warm year that has left the Colorado River’s headwaters in the Rocky Mountains largely snowless, Lake Mead is nearing a record-low level. — Lila Seidman, Los Angeles Times, 16 July 2026 Its headwaters are in Indian River County, its mouth in the Atlantic near Jacksonville, which is the furthest place Sanders Fish House delivers its wild catch. — Amy Drew Thompson, The Orlando Sentinel, 28 June 2026
Recent Examples of Synonyms for headwaters
Noun
  • As a whole, dispersed across the World Wide Web, its river and tributaries, the words and images and videos form a new corpus of word and art.
    — Sam Kestenbaum, Harpers Magazine, 27 Oct. 2026
  • Viewed from the waters of Turner Creek, a serpentine tributary east of Savannah, the dock stretches so far across the marsh that even those with 20-20 vision must squint to see where planking meets terra firma.
    — Adam Van Brimmer, AJC.com, 24 Oct. 2026
Noun
  • Mobile is obtaining water from an unapproved non-potable water source/hydrant.
    — Arkansas Online, Arkansas Online, 26 Oct. 2026
  • An October 7 analysis by the Center for Strategic and International Studies (CSIS), drawing on more than 90 Chinese-language sources, traces that process from battlefield observation to publicly visible changes in Chinese preparations.
    — Atharva Gosavi, Interesting Engineering, 25 Oct. 2026

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Cite this Entry

“Headwaters.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/headwaters. Accessed 1 Nov. 2026.

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