Thesaurus.com
synonyms
  • definitions

poison-gas

see definition of poison-gas
  • as inpoison gas
Relevance ranks synonyms and suggests the best matches based on how closely a synonym’s sense matches the sense you selected.
Relevance
A-Z
Length
-
+

Synonyms for poison-gas

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