adj · noun · 4 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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CMU ARPABET:S IY1 W AA2 T ER0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
CMU ARPABET 2:S IY1 W AO2 T ER0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Consisting of seawater.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Examples
The continual seawater splashes corroded our equipment
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Associated in some way with seawater, or intended for dealing with seawater.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Examples
The sharks in the aquarium had to be kept in a seawater tank
Aboard the ship we needed seawater soap for washing our clothes
Though it was a nuisance to arrange them, we found the seawater showers very refreshing
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
The saltwater of a sea or ocean.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
water containing salts
Definition source: Princeton WordNet 3.0
Examples
the water in the ocean is all saltwater
Meaning relationships
Synonyms: saltwater, brine
Antonyms: none provided
Broader terms: water, H2O
Narrower terms: red tide
History
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”).
Across languages
Translations
51 source translations are retained for this English entry.
Southern Altai:
теҥис суу
(teŋis suu)
— salt water of a sea or ocean
Bulgarian:
мо́рска вода́
(mórska vodá)
— salt water of a sea or ocean
Chinese Mandarin:
海水
(hǎishuǐ)
— salt water of a sea or ocean
Ngazidja Comorian:
fumbu
— salt water of a sea or ocean
Danish:
havvand
— salt water of a sea or ocean
Dutch:
zeewater
— salt water of a sea or ocean
Finnish:
merivesi
— salt water of a sea or ocean
French:
eau de mer
— salt water of a sea or ocean
Galician:
auga salgada
— salt water of a sea or ocean
Galician:
salsa
— salt water of a sea or ocean
Georgian:
ზღვის წყალი
(zɣvis c̣q̇ali)
— salt water of a sea or ocean
German:
Meerwasser
— salt water of a sea or ocean
German:
Salzwasser
— salt water of a sea or ocean
Ancient Greek:
ὕδωρ θαλάσσιον
(húdōr thalássion)
— salt water of a sea or ocean
Hebrew:
מֵי יָם
(mey yam)
— salt water of a sea or ocean
Hungarian:
tengervíz
— salt water of a sea or ocean
Irish:
sáile
— salt water of a sea or ocean
Japanese:
海水
(kaisui)
— salt water of a sea or ocean
Kapampangan:
danumdayat
— salt water of a sea or ocean
Kazakh:
теңіз суы
(teñız suy)
— salt water of a sea or ocean
Khmer:
ទឹកសមុទ្រ
(tœ̆ksâmŭtr)
— salt water of a sea or ocean
Khmer:
ទឹកប្រៃ
(tɨkpray)
— salt water of a sea or ocean
Korean:
해수
(haesu)
— salt water of a sea or ocean
Korean:
바닷물
(badanmul)
— salt water of a sea or ocean
Malay:
air laut
— salt water of a sea or ocean
Māori:
waitai
— salt water of a sea or ocean
Marathi:
समुद्रजल
(samudrajal)
— salt water of a sea or ocean
Norwegian Bokmål:
havvann
— salt water of a sea or ocean
Norwegian Bokmål:
sjøvann
— salt water of a sea or ocean
Norwegian Bokmål:
sjøvatn
— salt water of a sea or ocean
Norwegian Nynorsk:
havvatn
— salt water of a sea or ocean
Norwegian Nynorsk:
sjøvatn
— salt water of a sea or ocean
Polish:
woda morska
— salt water of a sea or ocean
Portuguese:
água do mar
— salt water of a sea or ocean
Portuguese:
água salgada
— salt water of a sea or ocean
Russian:
морска́я вода́
(morskája vodá)
— salt water of a sea or ocean
Russian:
солёная вода́
(soljónaja vodá)
— salt water of a sea or ocean
Spanish:
agua salada
— salt water of a sea or ocean
Swedish:
havsvatten
— salt water of a sea or ocean
Tagalog:
tubig-dagat
— salt water of a sea or ocean
Tagalog:
labuklabok
— salt water of a sea or ocean
Tamil:
கடல்நீர்
(kaṭalnīr)
— salt water of a sea or ocean
Thai:
น้ําทะเล
(nám-tá-lee)
— salt water of a sea or ocean
Thai:
น้ําเค็ม
(nám-kem)
— salt water of a sea or ocean
Tok Pisin:
solwara
— salt water of a sea or ocean
Tokelauan:
huātai
— salt water of a sea or ocean
Tokelauan:
vaitai
— salt water of a sea or ocean
Turkish:
deniz suyu
— salt water of a sea or ocean
Vietnamese:
nước biển
— salt water of a sea or ocean
Welsh:
dŵr y môr
— salt water of a sea or ocean
Woiwurrung:
palem warren
— salt water of a sea or ocean