Poison

• Poison gas

  Synonyms for poison gas noun poisonous gas marsh gas swamp gas mustard gas war gas

• Poison pen

  Synonyms for poison pen noun letter invite communication message memo dispatch note tab scratch line missive card postcard cannonball kite FYI billet doux get-well love letter thank-you

• Poison pen letter

  Synonyms for poison pen letter noun malicious verbal attack defamation calumniation ax job dismantlement poison-pen letter unmaking

• Poison pen letters

  Synonyms for poison pen letters noun malicious verbal attack defamation calumniation ax job dismantlement poison-pen letter unmaking

• Poisoning

  Synonyms for poison verb contaminate, pollute harm debase injure subvert infect taint kill corrupt destroy stain undermine defile murder envenom fester warp pervert vitiate deprave adulterate make ill Antonyms for poisoning aid assist improve mend clean purify create protect straighten sterilize fix help save