impressive vs uninteresting

impressive

adj
  • Appealing. 

  • Capable of being impressed. 

  • Making, or tending to make, a positive impression; having power to impress 

uninteresting

adj
  • Arousing little or no interest; boring or uneventful. 

How often have the words impressive and uninteresting occurred in a corpus of books? (source: Google Ngram Viewer )