Word Type

Adjective

Adjective

The word "gaseous" can be used as adjective and adjective.

Word Relationships

Opposites (Antonyms)

liquid solid

Derived Terms

gaseous phase gaseously gaseousness nongaseous pseudogaseous ultragaseous ungaseous

Derived From

eous gas

Narrower Terms (Hyponyms)

evaporable nebulous volatile

Related Terms

insubstantial

Related Terms

bubble gas gassy indefinite liquid tenuous

Similar Terms

aeriform aerosolised aerosolised aerosolized airlike airlike evaporated evaporated gasified gassy gassy vaporific vaporish vaporized vaporous vapourific vapourific vapourised vapourish vapourous volatilised volatilised volatilized

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