Seawater

adj, noun

adj, noun ·3 syllables ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    The saltwater of a sea or ocean. uncountable, usually
  2. 2
    water containing salts wordnet
Adjective
  1. 1
    Consisting of seawater. not-comparable

    "The continual seawater splashes corroded our equipment"

  2. 2
    Associated in some way with seawater, or intended for dealing with seawater. not-comparable

    "The sharks in the aquarium had to be kept in a seawater tank"

Synonyms

All synonyms
brinesaltwater

Example

More examples

"You can not drink the seawater, for it is too salty."

Etymology

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”).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.