housebreak /ˈhaʊs.bɹeɪk/verb 2noun 1forms 4 verb2 •(US) To train an animal to avoid urinating or defecating in the house, except within a litterbox, toilet, or other receptacle. •(US) To break into a house, typically to burgle it. noun1 •Synonym of housebreaking. formshousebroke · housebroken · housebreaking · housebreaks