noun, noun or participle which takes 'suru', transitive verb
sneer; derision; scornful laugh; cold smile
A cold, mocking laugh or attitude that shows contempt. Can be used as a noun or with する to mean 'to sneer at'.
彼は私の提案を冷笑した。
He sneered at my proposal.
その政治家
The politician gave a scornful laugh at the reporter's question.