derisively
adverbUK /dɪˈrʌɪsɪvli/
US /dɪˈraɪsɪvli/
In a way that shows you think someone or something is silly or not good.
She laughed derisively at his silly idea.
OTHER MEANINGS
2. In a manner expressing contempt or ridicule toward a person.
He spoke derisively about his rival's efforts.
3. With a tone that belittles or makes fun of something.
The critic wrote derisively about the new movie.
4. In a way that shows lack of respect because something seems foolish.
They derisively dismissed the old tradition as pointless.