1
: a common marine bony fish (Cynoscion regalis of the family Sciaenidae) of the eastern coast of the U.S. that is an important sport and food fish

called also sea trout

2
: any of several fishes congeneric with the weakfish

Examples of weakfish in a Sentence

Recent Examples on the Web
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.
Shrimp put a hurt on fluke, weakfish, and even schoolie-sized striped bass. — Joe Cermele, Outdoor Life, 6 May 2026 Otherwise, its list of seafood species is a good reason to go out on a boat into the Sound or along the South coast for the springtime migration of striped bass, black bass, bluefish, porgy, weakfish, scup, hickory shad and tautog all ready to bite. — John Mariani, Forbes.com, 9 Apr. 2025 Overfishing probably wasn’t the cause of the weakfish’s latest decline. — Capt. John McMurray, Field & Stream, 10 Feb. 2020 Climate change was expected to make staple crops less nutritious and to lower the global availability of protein by a fifth, and may alter the mating calls of male weakfish. — Rafil Kroll-Zaidi, Harper's magazine, 16 Sep. 2019 Also, look for weakfish in Guilford/Madison/New Haven Harbor areas. — Hartford Courant, courant.com, 31 Aug. 2017

Word History

Etymology

obsolete Dutch weekvis, from Dutch week soft + vis fish

First Known Use

1791, in the meaning defined at sense 1

Time Traveler
The first known use of weakfish was in 1791

Browse Nearby Words

Cite this Entry

“Weakfish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/weakfish. Accessed 28 Sep. 2026.

Kids Definition

: a common fish of the eastern coast of the U.S. that is an important food and sport fish
also : any of several related fishes used for food

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