unholy

Adjective

• having committed unrighteous acts
  • a sinful person
    

• extremely evil or cruel; expressive of cruelty or befitting hell
  • something demonic in him--something that could be cruel
    
  • fires lit up a diabolic scene
    
  • diabolical sorcerers under the influence of devils
    
  • a fiendish despot
    
  • hellish torture
    
  • infernal instruments of war
    
  • satanic cruelty
    
  • unholy grimaces
    

• not hallowed or consecrated

Related words

• Synonyms: 
  sinful , wicked , demonic , diabolic , diabolical , fiendish , hellish , infernal , satanic , unhallowed