IPA: /dɪˈrɪsɪvli/
KK: /dɪˈraɪsɪvli/
In a way that shows you think someone or something is silly or worthless, often by mocking them.
She laughed derisively at his attempt to sing.
Derisively → It is formed from "deris-" (from Latin "deridere", meaning to mock or ridicule) and "-ive" (meaning having the nature of). The word "derisively" means in a manner that mocks or ridicules.
Think of someone mocking or ridiculing ('deris-') in a way that has a certain nature ('-ive'). This helps you remember that 'derisively' describes a mocking manner.