adj · 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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
General-American, UK:/ˈæ.kwi.əs/
General-American, UK:/ˈeɪ.kwi.əs/
General-American, UK:/ˈɑ.kwi.əs/
Multicultural-London-English:/ˈa.kwi.əs/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:EY1 K W IY0 AH0 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Of or relating to water.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Consisting mostly of water. Often used in the expression "aqueous solution".
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
adjective
Meaning 3
produced by the action of water
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: sedimentary
Antonyms: igneous
4
adjective
Meaning 4
similar to or containing or dissolved in water
Definition source: Princeton WordNet 3.0
Examples
aqueous solutions
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Formed from Latin aqua + -ous (or from Medieval Latin aqueus), partly the analogy of Middle French aqueux (itself actually from Latin aquosus). Or based on the analogy of Latin terreus from terra.
Across languages
Translations
41 source translations are retained for this English entry.
Spanish:
ácueo
— relational
Spanish:
acuoso
— relational
Spanish:
aguoso
— relational
Spanish:
hídrico
— relational
Arabic:
مَائِيّ
(māʔiyy)
— consisting mainly of water
Belarusian:
во́дны
(vódny)
— consisting mainly of water
Belarusian:
вадзяны́
(vadzjaný)
— consisting mainly of water
Belarusian:
вадзяні́сты
(vadzjanísty)
— consisting mainly of water
Bulgarian:
воден
(voden)
— consisting mainly of water
Chinese Mandarin:
水性
(shuǐxìng)
— consisting mainly of water
Czech:
vodný
— consisting mainly of water
Finnish:
vesi-
— consisting mainly of water
Finnish:
vesiperäinen
— consisting mainly of water
Finnish:
vetinen
— consisting mainly of water
French:
aqueux
— consisting mainly of water
German:
wässrig
— consisting mainly of water
Ancient Greek:
ὑδατοειδής
(hudatoeidḗs)
— consisting mainly of water
Hindi:
जलीय
(jalīya)
— consisting mainly of water
Irish:
uiscí
— consisting mainly of water
Italian:
acquoso
— consisting mainly of water
Latvian:
ūdeņains
— consisting mainly of water
Malay:
berair
— consisting mainly of water
Malay:
akueus
— consisting mainly of water
Manx:
ushtoil
— consisting mainly of water
Persian:
مائی
(mâ'i)
— consisting mainly of water
Persian:
آبی
(âbi)
— consisting mainly of water
Polish:
wodny
— consisting mainly of water
Polish:
wodnisty
— consisting mainly of water
Portuguese:
aquoso
— consisting mainly of water
Portuguese:
áqueo
— consisting mainly of water
Romanian:
apătos
— consisting mainly of water
Russian:
во́дный
(vódnyj)
— consisting mainly of water
Russian:
водяно́й
(vodjanój)
— consisting mainly of water
Russian:
водяни́стый
(vodjanístyj)
— consisting mainly of water
Spanish:
acuoso
— consisting mainly of water
Tagalog:
tubigin
— consisting mainly of water
Tagalog:
ganhaw
— consisting mainly of water
Turkish:
sulu
— consisting mainly of water
Ukrainian:
во́дний
(vódnyj)
— consisting mainly of water
Ukrainian:
водяни́й
(vodjanýj)
— consisting mainly of water
Ukrainian:
водяни́стий
(vodjanýstyj)
— consisting mainly of water