1
: having the form of or being gas
also
: of or relating to gases
2
a
: lacking substance or solidity
b
: gassy sense 3
trick phrases and gaseous circumlocutions—
Edwin Newman
Edwin Newman
gaseousness
noun
Synonyms
Examples of gaseous in a Sentence
a substance changing from a liquid to a gaseous state
a pompous professor known for his gaseous lectures that often put students to sleep
Recent Examples on the Web
The most important component in fossil fuel pollution is gaseous sulfur dioxide, which forms aerosols in the atmosphere that linger for mere days.
—Matt Simon, WIRED, 15 Apr. 2024
For gaseous macrocosmic poli-sci, people can turn to Aaron Sorkin.
—Wesley Morris Ron Butler Emma Kehlbeck Ted Blaisdell, New York Times, 5 Apr. 2024
See all Example Sentences for gaseous 
Matt Simon, WIRED, 15 Apr. 2024
For gaseous macrocosmic poli-sci, people can turn to Aaron Sorkin.
—Wesley Morris Ron Butler Emma Kehlbeck Ted Blaisdell, New York Times, 5 Apr. 2024
See all Example Sentences for gaseous
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'gaseous.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Gaseous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gaseous. Accessed 29 May. 2024.
Copy CitationKids Definition
gaseous
adjective
gas·eous
ˈgas-ē-əs 
ˈgash-əs
1
: having the form of or being gas
2
: of or relating to gas
3
: lacking solidity
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