Crossword clues for the word: POISONPENLETTER The word POISONPENLETTER has appeared as an answer to at least 12 crossword clues on different crossword puzzles. Crossword clues for POISONPENLETTER Showing 1 to 12 of 12 results Clue(s) "Anonymous work, often" Abusive missive Expression with something negative inside? Hate-mail item It's written with acid Malicious message Malicious missive No friendly epistle Open note - lets rip foully Rotten people sin to produce malicious missive Smear tactic Terrible author could write this novel - note inept prose about lake