Synonyms|17Antonyms|0|Broader|3Narrower|7Related|0
2
arsenic
2
tear gas(noun, gas)
1
ammonia
1
carbon-dioxide
1
carbon dioxide
1
gas
1
marsh gas(noun, expression, gas, methane)
1
mustard gas(noun, expression, gas, asphyxiant)
1
nitrogen
1
oxygen
1
poison
1
swamp gas(noun, expression, gas, methane)
1
war gas(noun, expression, gas, asphyxiant)
0
asphyxiant
0
methane
0
nerve gas(noun, gas)
0
poisonous gas(noun, expression, asphyxiant)
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APASmart Define. (2015). poison gas thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/poison_gas/thesaurus/synonyms
ChicagoSmart Define. 2015. "poison gas thesaurus" https://smartdefine.org/poison_gas/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, poison gas thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/poison_gas/thesaurus/synonyms>.
MLASmart Define. "poison gas thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/poison_gas/thesaurus/synonyms>