adj ·Moderate ·College level

Definitions

Adjective

1. 1
   Relating to, or existing as gas (matter in an intermediate state between liquid and plasma).

   "gaseous state"

2. 2
   Of a liquid containing bubbles: gassy.
3. 3
   Lacking substance or solidity; tenuous.

   "Her gaseous explanations left everyone confused."

Adjective

1. 1
   existing as or having characteristics of a gas wordnet

Synonyms

All synonyms

gassygassedadulteratedaereousaerialaerial

Antonyms

All antonyms

fluidicgranularnongaseoussolid

Example

More examples

"Oxygen exists in two gaseous forms."

Etymology

From gas + -eous.

Related phrases

gaseous phase

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