as in estuaries
a part of a body of water that extends beyond the general shoreline
the Firth of Forth in Scotland
Synonyms & Similar Words
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Example Sentences
Recent Examples of Synonyms for firths
Noun
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The crab-eating frog (Fejervarya cancrivora) lives in mangroves, coastal swamps and estuaries across Southeast Asia.—
Scott Travers,
Forbes.com,
22 Jan. 2026 -
Get On The Water Matlacha is surrounded by mangroves and estuaries full of wildlife like dolphins, rays, and manatees.—
Brandee Gruener,
Southern Living,
11 Jan. 2026
Noun
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The rain moved into the region closer to San Francisco, including some areas in the East and South bays, in the afternoon, Murdock said.—
Rick Hurd,
Mercury News,
10 Feb. 2026
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Puerto Rico is an adventure paradise, complete with glow-in-the-dark bays to paddle and one of the largest cave systems in the world to explore.—
Kathleen Rellihan,
Outside,
10 Feb. 2026
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“Firths.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/firths. Accessed 14 Feb. 2026.
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