AIM S : This study tested a moderated mediation model based on the hospital industry in Pakistan. Adopting the spillover theory, we examined whether negative emotions could mediate the association linking social undermining in families i.e., negative judgments that prevent the maintenance of positive familial ties to nurses' deviant workplace behaviors i.e., behaviors that disrupt the normal functioning of organizations , and whether neuroticism could moderate the association linking social undermining in families to negative emotions. ...METHOD: Temporally segregated survey data was collected from nurses n 325 dyads working in the hospitals of Pakistan. RESULTS: Findings showed that social undermining in families triggered deviant workplace behaviors in Pakistani nurses through the mediating effect of negative emotions. ...