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 plants that thrived in that ecosystem formed protective estuaries.—
Melina Walling,
Los Angeles Times,
19 Feb. 2026 -
The crab-eating frog (Fejervarya cancrivora) lives in mangroves, coastal swamps and estuaries across Southeast Asia.—
Scott Travers,
Forbes.com,
22 Jan. 2026
Noun
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With small hidden bays, rocks overhanging the sea, crystal-clear, sky-blue water, and rugged green terrain, the relatively untouched island is the perfect place to unplug and touch grass.—
Micol Passariello,
Architectural Digest,
26 Feb. 2026
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Inside the former Venice post office (the one that once housed Joel Silver’s production company) is a small campus of podcast studios, edit bays, production spaces, and communal tables.—
Dana Harris-Bridson,
IndieWire,
25 Feb. 2026
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Cite this Entry
“Firths.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/firths. Accessed 3 Mar. 2026.
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