Synonyms|13Antonyms|0|Broader|4Narrower|0Related|10
5
nitrous oxide(noun, anesthetic)
0
N2O(noun, anesthetic)
0
agent
0
anesthetic(noun, anesthetic)
0
chloral
0
chloroform
0
ether
0
exhilarating
0
nitrogen
0
nitrous
0
opium
0
oxide
0
refrigeration
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APASmart Define. (2015). laughing gas thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/laughing_gas/thesaurus/synonyms
ChicagoSmart Define. 2015. "laughing gas thesaurus" https://smartdefine.org/laughing_gas/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, laughing gas thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/laughing_gas/thesaurus/synonyms>.
MLASmart Define. "laughing gas thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/laughing_gas/thesaurus/synonyms>