utterly

Adverb

• completely and without qualification; used informally as intensifiers
  • an absolutely magnificent painting
    
  • a perfectly idiotic idea
    
  • you're perfectly right
    
  • utterly miserable
    
  • you can be dead sure of my innocence
    
  • was dead tired
    
  • dead right
    

Related words

• Synonyms: 
  absolutely , perfectly , dead