EN

Synonyms for gaseous

17 synonyms
5 antonyms

adjective

Most common

ethereal pneumatic gassy vaporous gassed gasified aeriform vaporlike US

All synonyms

Adjective

gassy, vaporous, pneumatic, ethereal, thin, aeriform, gassed, airy, tenuous, gasified, vaporlike US, vapourlike UK, vaporish US, vapourish UK, gasiform, unreal, aery, aerial formal dated, unsubstantial dated

Antonyms

liquid, solid, fluidic

All antonyms of gaseous →

Definitions

adj. 1
Relating to, or existing as gas (matter in an intermediate state between liquid and plasma).
The mixture produced a gaseous vapor when heated.

Related words

Phrases: gaseous phase

Example sentences

ethereal The voice sounded very weird, almost ethereal.

Popularity over time

Word	1850 → 2019	Trend
gaseous		falling
ethereal		rising
pneumatic		falling
gassy		falling
vaporous		steady
gassed		rising

Use in printed books, per decade from 1850 to 2019.

By length

4 letters: thin¹, airy², aery
5 letters: gassy
6 letters: aerial³, unreal², gassed¹
7 letters: tenuous³
8 letters: ethereal⁴, vaporous, gasified, aeriform, vaporish, gasiform
9 letters: pneumatic³, vaporlike, vapourish
10 letters: vapourlike
13 letters: unsubstantial

The small number after each word is its number of syllables (airy² = 2 syllables).