Third-person singular simple present indicative form of chastise.(verb)
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Use "chastises" in a sentence
"McCain chastises him for not going to Iraq since January 2006 so he says he will consider it."
"He was last seen kneeling over Sookie's fairy guardian Claudine, whom he'd just slaughtered, sheepishly offering a "Sorry" to Sookie, as she chastises him: "You just killed my fairy godmother!""
"My all-time favorite thing I ever heard (yes, it was said in my presence, in a client's living room) in Spanglish is this: Woman chastises her child, who is twisting the knob on the television: "Deja de monkear con la tele o te doy una buena!""