Word.ws English Dictionary

Plural of sea

regular plural

The plural of sea is seas.

Forms of sea

Singularsea /siː/
Pluralseas /siːz/
Countablecountable

Seas in a sentence

  • The ship could make 20 knots an hour in calm seas.From the entry make
  • On some beaches, the berm grows higher in summer and flattens out in the rougher winter seas.From the entry berm
  • I was out on the high seas yesterday and got myself a new mathematics book.From the entry high seas
  • Biological examples of res communis include fish and mammals in high seas.From the entry res communis
  • It is dangerous to sail in turbulent seas.From the entry turbulent

Meaning of sea

  1. noun A large body of salt water.
  2. noun The ocean; the continuous body of salt water covering a majority of the Earth's surface.
  3. noun A body of salt water smaller than an ocean, generally forming part of, or connecting with, an ocean or a larger sea.

Full definition of sea

Questions about the plural of sea

What is the plural of sea?
The plural of sea is seas.
Is sea countable?
Sea is a countable noun.

Source and license

Adapted from Wiktionary: sea (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 sea.” Word.ws, https://word.ws/plural/sea. Based on Wiktionary, CC BY-SA 4.0.