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.
US:/ˈɡæsiəs/
US:/ˈɡæʃəs/
UK:/ˈɡeisiəs/
Southern-England:Recorded audio is listed in the source snapshot.
Southern-England:Recorded audio is listed in the source snapshot.
rhymes with -æsiəs
rhymes with -eɪʃəs
CMU ARPABET:G AE1 S IY0 AH0 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Relating to, or existing as gas (matter in an intermediate state between liquid and plasma).
Definition source: English Wiktionary via Wiktextract
Examples
gaseous state
gaseous emissions
gaseous substance
At room temperature, oxygen remains in a gaseous state.
The mixture produced a gaseous vapor when heated.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Of a liquid containing bubbles: gassy.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
adj
Meaning 3
Lacking substance or solidity; tenuous.
Definition source: English Wiktionary via Wiktextract
Examples
Her gaseous explanations left everyone confused.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
adjective
Meaning 4
existing as or having characteristics of a gas
Definition source: Princeton WordNet 3.0
Examples
steam is water is the gaseous state
Meaning relationships
Synonyms: none provided
Antonyms: solid, liquid
History
Etymology
Etymology tree Proto-Indo-European *ǵheh2-der. Ancient Greek χαῦνος (khaûnos) Ancient Greek χάος (kháos)der. Dutch gasbor. English gas English -eous English gaseous From gas + -eous.
Across languages
Translations
68 source translations are retained for this English entry.
Arabic:
غازي
(ḡāzī)
— relating to, or existing as, gas
Arabic:
غازية
(ḡāziyya)
— relating to, or existing as, gas
Arabic:
غازى
(ḡāzi)
— relating to, or existing as, gas
Arabic:
غازية
(ḡazéyya)
— relating to, or existing as, gas
Assamese:
গেছীয়
(gesio)
— relating to, or existing as, gas
Assamese:
গেছীয়া
(gesia)
— relating to, or existing as, gas
Belarusian:
га́завы
(házavy)
— relating to, or existing as, gas
Belarusian:
газападо́бны
(hazapadóbny)
— relating to, or existing as, gas
Bulgarian:
га́зов
(gázov)
— relating to, or existing as, gas
Bulgarian:
газообра́зен
(gazoobrázen)
— relating to, or existing as, gas
Catalan:
gasós
— relating to, or existing as, gas
Chinese Mandarin:
氣體的 /气体的
(qìtǐ de)
— relating to, or existing as, gas
Danish:
gasformig
— relating to, or existing as, gas
Danish:
luftformig
— relating to, or existing as, gas
Esperanto:
gasa
— relating to, or existing as, gas
Finnish:
kaasumainen
— relating to, or existing as, gas
French:
gazeux
— relating to, or existing as, gas
Galician:
gasoso
— relating to, or existing as, gas
Georgian:
აიროვანი
(airovani)
— relating to, or existing as, gas
Georgian:
აირადი
(airadi)
— relating to, or existing as, gas
German:
gasförmig
— relating to, or existing as, gas
Greek:
αεριώδης
(aeriódis)
— relating to, or existing as, gas
Hungarian:
gáz-halmazállapotú
— relating to, or existing as, gas
Hungarian:
gáznemű
— relating to, or existing as, gas
Irish:
gásach
— relating to, or existing as, gas
Italian:
gassoso
— relating to, or existing as, gas
Japanese:
気体の
(kitai no)
— relating to, or existing as, gas
Japanese:
ガス状
(gasujou)
— relating to, or existing as, gas
Korean:
기체의
(giche'ui)
— relating to, or existing as, gas
Macedonian:
гасовит
(gasovit)
— relating to, or existing as, gas
Norwegian Bokmål:
gassformig
— relating to, or existing as, gas
Norwegian Nynorsk:
gassformig
— relating to, or existing as, gas
Occitan:
gasós
— relating to, or existing as, gas
Polish:
gazowy
— relating to, or existing as, gas
Portuguese:
gasoso
— relating to, or existing as, gas
Romanian:
gazos
— relating to, or existing as, gas
Russian:
га́зовый
(gázovyj)
— relating to, or existing as, gas
Russian:
газообра́зный
(gazoobráznyj)
— relating to, or existing as, gas
Spanish:
gaseoso
— relating to, or existing as, gas
Turkish:
gaz halinde
— relating to, or existing as, gas
Ukrainian:
га́зовий
(házovyj)
— relating to, or existing as, gas
Ukrainian:
газоподі́бний
(hazopodíbnyj)
— relating to, or existing as, gas
Arabic:
غازي
(ḡāzī)
— of a liquid containing bubbles: gassy
Arabic:
غازية
(ḡāziyya)
— of a liquid containing bubbles: gassy
Arabic:
غازى
(ḡāzi)
— of a liquid containing bubbles: gassy
Arabic:
غازية
(ḡazéyya)
— of a liquid containing bubbles: gassy
Belarusian:
газірава́ны
(haziravány)
— of a liquid containing bubbles: gassy
Bulgarian:
гази́ран
(gazíran)
— of a liquid containing bubbles: gassy
Catalan:
gasós
— of a liquid containing bubbles: gassy
Danish:
gasholdig
— of a liquid containing bubbles: gassy
Danish:
kulsyreholdig
— of a liquid containing bubbles: gassy
Finnish:
kupliva
— of a liquid containing bubbles: gassy
Finnish:
kaasupitoinen
— of a liquid containing bubbles: gassy
French:
gazeux
— of a liquid containing bubbles: gassy
Georgian:
აიროვანი
(airovani)
— of a liquid containing bubbles: gassy
Georgian:
აირადი
(airadi)
— of a liquid containing bubbles: gassy
German:
gashaltig
— of a liquid containing bubbles: gassy
German:
kohlensäurehaltig
— of a liquid containing bubbles: gassy
Greek:
αεριούχος
(aerioúchos)
— of a liquid containing bubbles: gassy
Irish:
gásach
— of a liquid containing bubbles: gassy
Macedonian:
газиран
(gaziran)
— of a liquid containing bubbles: gassy
Polish:
gazowany
— of a liquid containing bubbles: gassy
Portuguese:
gasoso
— of a liquid containing bubbles: gassy
Portuguese:
gaseificado
— of a liquid containing bubbles: gassy
Russian:
газиро́ванный
(gaziróvannyj)
— of a liquid containing bubbles: gassy
Spanish:
gaseoso
— of a liquid containing bubbles: gassy
Turkish:
gazlı
— of a liquid containing bubbles: gassy
Ukrainian:
газо́ваний
(hazóvanyj)
— of a liquid containing bubbles: gassy
