Word.ws English Dictionary

Plural of fin

regular plural

The plural of fin is fins.

Forms of fin

Singularfin /fɪn/
Pluralfins /fɪnz/
Countablecountable

Fins in a sentence

  • The fish's fins minimize water flow.
  • The divers wore fins to swim faster.
  • Fish move using a flutter of their body to propel themselves through the water. Some also derive propulsion or maneuverability from their fins' flutter.From the entry flutter
  • Volkswagen avoided the fins and other frills with which U.S. manufacturers larded their vehicles.2023 January 18, Sam Roberts, “Carl Hahn Dies at 96; Made the VW Beetle Ubiquitous”, in The New York Times, New York, N.Y.: The New York…. From the entry lard
  • Appearing to flutter across the facade is a run of aluminum fins powder-coated a pearly white.2023 February 6, Wilson Barlow, “A Bedding Manufacturer’s Office Nods to Down Feathers”, in Interior Design. From the entry laboratorylike

Meaning of fin

  1. noun One of the appendages of a fish, used to propel itself and to manoeuvre/maneuver.
  2. noun A similar appendage of a cetacean or other marine animal.
  3. noun A thin, rigid component of an aircraft, extending from the fuselage and used to stabilise and steer the aircraft.

Full definition of fin

Questions about the plural of fin

What is the plural of fin?
The plural of fin is fins.
Is fin countable?
Fin is a countable noun.

Source and license

Adapted from Wiktionary: fin (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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Cite this page: “Plural of fin.” Word.ws, https://word.ws/plural/fin. Based on Wiktionary, CC BY-SA 4.0.