Thesaurus results for HEADWATER

headwater

noun

ˈhed-ˌwȯ-tər

as in tributary

usually headwaters plural 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

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Example Sentences

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Recent Examples of headwater The headwaters of the Colorado River are among the nation's driest places. —

Phaedra Trethan, USA Today, 30 Mar. 2026 The report’s map showed the browns and yellows of persisting and developing drought across the entire Upper Colorado River Basin except in the Green River headwaters of Wyoming. —

Brandon Loomis, AZCentral.com, 20 Mar. 2026 The area includes headwaters for the South Platte River, a source of drinking and agricultural irrigation water. —

Tiney Ricciardi, Denver Post, 18 Mar. 2026 The northernmost headwaters of the Florida Everglades, Shingle Creek flows from the city into nearby Lake Tohopekaliga, eventually reaching the Everglades. —

Elizabeth Rhodes, Travel + Leisure, 11 Mar. 2026 See All Example Sentences for headwater

Recent Examples of Synonyms for headwater

Noun

Vast stretches of suburban concrete block its natural drainage, and thousands of homes have been built along its winding, sluggish tributaries.

— Dominic Boyer, The Conversation, 14 Apr. 2026
Khartoum, a metropolis of 7 million, sits at the confluence of tributaries, a sort of Pittsburgh-on-the-Nile.

— Nabih Bulos, Los Angeles Times, 12 Apr. 2026