disparagingly

/dɪˈspɛrɪdʒɪŋli/
adverb
  1. In a way that expresses a negative or disrespectful opinion; critically or belittlingly.
    • She looked disparagingly at the messy room and sighed.
    • He spoke disparagingly of his rival's achievements, calling them luck.
    • The article referred disparagingly to the new policy as a waste of money.