kind of

Adverb

• to some (great or small) extent
  • it was rather cold
    
  • the party was rather nice
    
  • the knife is rather dull
    
  • I rather regret that I cannot attend
    
  • He's rather good at playing the cello
    
  • he is kind of shy
    

Related words

• Synonyms: 
  rather , kinda , sort of