Crossword clues for the word: RATPOISON The word RATPOISON has appeared as an answer to at least 11 crossword clues on different crossword puzzles. Crossword clues for RATPOISON Showing 1 to 11 of 11 results Clue(s) "Rodent's last meal, maybe" "Strychnine, e.g." "Thallium sulfate, e.g." Case of Prosecco is stored in shop - it's lethal stuff Deadly bait Moved to a prison - having used this in food? Mystery offer? One use for arsenic Pest control option Skull-and-crossbones site Squealer's just deserts?