To laugh at someone or something in a way that shows you think they are stupid or of no value. (Cambridge Dictionary)
To laugh at or insult contemptuously. (Merriam – Webster)
To subject to usually bitter or contemptuous ridicule or criticism. (Merriam – Webster)
To laugh at in scorn or contempt; scoff or jeer at; mock. (Dictionary.com)
If you deride someone or something, you say that they are stupid or have no value. (Collins Dictionary)
Express contempt for; ridicule. (Oxford Dictionaries)
German parliament Twitter ban derided by the MPs
Wolfgang Schäuble the generous German politician who had been derided many times.
We deride them as immigrants why not call them people?
Don’t deride Derrida. (Jacques Derrida was turned down for an honorary degree at Cambridge University)