badmouth

Entry Definition
s/he tells bad things about h/, badmouths h/, tells dirty stories about h/, slanders h/, discredits h/
s/he says bad things about h/, disparages h/
s/he says bad things about it, disparages it
s/he speaks of h/ with low esteem, badmouths h/; disparages h/; insults h/ when talking about h/
s/he speaks of it with low esteem, badmouths it, disparages it, downplays its significance or importance