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poison gas

see definition of poison gas
  • nounpoisonous gas
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Synonyms for poison gas

noun poisonous gas
  • mustard gas
  • marsh gas
  • swamp gas
  • war gas

More words related to poison gas

nerve gas

noun. poisonous gas
  • asphyxiant
  • mustard gas
  • poison gas
  • tear gas
  • war gas
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.