crushing

Adjective

• physically or spiritually devastating; often used in combination
  • a crushing blow
    
  • a crushing rejection
    
  • bone-crushing
    

Noun

• forceful prevention; putting down by power or authority
  • the suppression of heresy
    
  • the quelling of the rebellion
    
  • the stifling of all dissent
    

Related words

• Synonyms: 
  devastating , suppression , quelling , stifling