Word.ws English Dictionary

seawater

seawater noun: the saltwater of a sea or ocean.

Noun

seawater (usually uncountable, plural seawaters)

  1. (usually) The saltwater of a sea or ocean.
    Synonyms:
    brine

Adjective

seawater (not comparable)

  1. Consisting of seawater.
    • The continual seawater splashes corroded our equipment
  2. Associated in some way with seawater, or intended for dealing with seawater.
    • The sharks in the aquarium had to be kept in a seawater tank
    • Aboard the ship we needed seawater soap for washing our clothes

seawater meaning in Tamil, Marathi, Tagalog and Malay

seawater in Tamil

salt water of a sea or ocean
கடல்நீர் kaṭalnīr

seawater in Marathi

salt water of a sea or ocean
समुद्रजल samudrajal

seawater in Tagalog

salt water of a sea or ocean
tubig-dagat, labuklabok

seawater in Malay

salt water of a sea or ocean
air laut
More languagesFewer languages
seawater in Thai
น้ำทะเล nám-tá-lee, น้ำเค็ม nám-kem
seawater in Vietnamese
nước biển

Examples of seawater in a sentence

  • The salt factory is a key connecting element in the seawater infrastructure.
  • He was crazed with thirst and resorted to drinking seawater.
  • The rules focus primarily on two crucial operating features: seawater intakes and outfalls.

All 27 example sentences with seawater

Synonyms of seawater

Forms of seawater

pluralseawaters
alternative formsea water

Origin of seawater

From Middle English seewater, se water, from Old English sǣwæter (“seawater”), equivalent to sea + water. Cognate with Saterland Frisian Seewoater (“seawater”), West Frisian seewetter (“seawater”), Dutch zeewater (“seawater”), Icelandic sjóvatn (“seawater”).

Questions about seawater

What does seawater mean?
Seawater means the saltwater of a sea or ocean.
What is seawater in Tamil?
Seawater in Tamil is கடல்நீர் (kaṭalnīr). See Seawater meaning in Tamil.
What part of speech is seawater?
Seawater can be a noun or an adjective.
What is the plural of seawater?
The plural of seawater is seawaters.

Words near seawater in the dictionary

  1. seaward
  2. seawardly
  3. seawards
  4. seaware
  5. seawatching
  6. seawater
  7. seawaters
  8. seawave
  9. seawaves
  10. seaway
  11. seawaybill

Source and license

Adapted from Wiktionary: seawater (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-seawater.wav, LL-Q1860 (eng)-Wodencafe-seawater.wav.

Cite this entry: “seawater.” Word.ws, https://word.ws/seawater. Based on Wiktionary, CC BY-SA 4.0.