Answer: POISONPENLETTER

AnswerCrossword Clue
POISONPENLETTERAbusive missive
POISONPENLETTERSour note
POISONPENLETTERNo friendly epistle
POISONPENLETTERSmear tactic
POISONPENLETTERMalicious message
POISONPENLETTERSmear stratagem
POISONPENLETTERMalicious missive
POISONPENLETTERHate-mail item
POISONPENLETTERAnonymous work, often
POISONPENLETTERIt's written with acid