gaseous.
Relating to, or existing as gas (matter in an intermediate state between liquid and plasma).
Meaning & usage
Relating to, or existing as gas (matter in an intermediate state between liquid and plasma).
gaseous state
gaseous emissions
Of a liquid containing bubbles: gassy.
Lacking substance or solidity; tenuous.
Her gaseous explanations left everyone confused.
Where this word comes from
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.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.