1. In a hideous manner
   - hideously, horridly 
2. In a terribly evil manner
   - heinously 
3. In a grotesque manner
   - grotesquely

See also: monstrous

• pathetic fallacy
• pathetically
• pathfinder
• pathic
• pathless
• pathogen
• pathogenesis
• pathogenetic
• pathogenic
• pathogenically
• pathognomonic
• pathologic
• pathologic process
• pathological
• pathological process
• pathological state
• pathologically
• pathologist
• pathology
• pathophysiology
• pathos
• pathway
• patience
• patient
• patient of