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Adjective: denunciative  di'nún(t)-see,ey-tiv [N. Amer], di'nún-see-u-tiv [Brit]
  1. Containing warning of punishment
    "The denunciative tone of the letter made it clear that further infractions would not be tolerated";
    - comminatory, denunciatory

See also: inculpative [archaic], inculpatory [archaic]