unquestionably

Adverb

• without question and beyond doubt
  • it was decidedly too expensive
    
  • she told him off in spades
    
  • by all odds they should win
    

• without question
  • Fred Winter is unquestionably the jockey to follow
    
  • they hired unimpeachably first-rate faculty members
    

Related words

• Synonyms: 
  decidedly , emphatically , definitely , in spades , by all odds , unimpeachably