The Toro Rosso driver, 17, has been given a five-place grid penalty in Canada this weekend for smashing into the back of Lotus's Romain Grosjean.
Grosjean said he was "disappointed" the Dutchman had not apologised.
Briton Jenson Button said Verstappen should be careful with what he says, after wrongly accusing Grosjean of deliberately braking early.
McLaren driver Button, the 2009 world champion, said: "He's obviously inexperienced, it's easy to go and jump on the bandwagon with that.