flounder

1 of 2

noun

floun·​der ˈflau̇n-dər How to pronounce flounder (audio)
plural flounder or flounders
: flatfish
especially : any of various marine fishes (families Pleuronectidae, Paralichthyidae, and Bothidae) that include important food fishes

flounder

2 of 2

verb

floundered; floundering ˈflau̇n-d(ə-)riŋ How to pronounce flounder (audio)

intransitive verb

1
: to struggle to move or obtain footing : thrash about wildly
The poor horse was floundering in the mud.
2
: to proceed or act clumsily or ineffectually
the normally surefooted governor floundered a moment like a prize pupil caught unpreparedTime

Did you know?

There’s nothing fishy about flounder... the verb, that is. While the noun referring to a common food fish is of Scandinavian origin, the verb flounder, which dates to the late 16th century, is likely an alteration of an older verb, founder. The two verbs have been confused ever since. Today, founder is most often used as a synonym of fail, or, in contexts involving a waterborne vessel, as a word meaning “to fill with water and sink.” Formerly, it was also frequently applied when a horse stumbled badly and was unable to keep walking. It’s likely this sense of founder led to the original and now-obsolete meaning of flounder: “to stumble.” In modern use, flounder typically means “to struggle” or “to act clumsily”; the word lacks the finality of founder, which usually suggests complete collapse or failure, as that of a sinking ship.

Examples of flounder in a Sentence

Verb The horses were floundering through the deep snow. He was floundering around in the pool like an amateur. After watching me flounder for a few minutes, my instructor took over.
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.
Noun
Visitors are encouraged to try catching blue crabs; hunting for bay scallops; or fishing for flounder, sea trout, redfish, and Spanish mackerel. Casey Barber, Southern Living, 12 Mar. 2025 Choose from croaker, flounder, perch or whiting on a bun with tartar sauce. Heidi Finley, Charlotte Observer, 4 Mar. 2025
Verb
Efforts to create an EU presidency also floundered in a swamp of competing power centers and polysyllabic titles. Gordon G. Chang, Newsweek, 3 Mar. 2025 The 36-year-old Moore will join an organization that has floundered since the retirement of quarterback Drew Brees and departure of Super Bowl-winning coach Sean Payton. Brett Martel, Chicago Tribune, 11 Feb. 2025 See All Example Sentences for flounder

Word History

Etymology

Noun

Middle English, of Scandinavian origin; akin to Norwegian flundra flounder

Verb

probably alteration of founder

First Known Use

Noun

15th century, in the meaning defined above

Verb

1592, in the meaning defined at sense 1

Time Traveler
The first known use of flounder was in the 15th century

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Cite this Entry

“Flounder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flounder. Accessed 23 Mar. 2025.

Kids Definition

flounder

1 of 2 noun
floun·​der ˈflau̇n-dər How to pronounce flounder (audio)
plural flounder or flounders
: flatfish
especially : any of various important marine food fishes

flounder

2 of 2 verb
floundered; floundering -d(ə-)riŋ How to pronounce flounder (audio)
: to struggle or go clumsily
floundering through the deep snow
Etymology

Noun

Middle English flounder "a flatfish"; of Scandinavian origin

Verb

probably an altered form of founder

More from Merriam-Webster on flounder

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