disavow [disavowed, disavowing, disavows](to refuse to own or acknowledge) verb [UK: ˌdɪ.sə.ˈvaʊ] [US: ˌdɪ.sə.ˈvaʊ]
repudiate [repudiated, repudiating, repudiates](to reject the truth of, deny) verb [UK: rɪ.ˈpjuː.dɪeɪt] [US: ri.ˈpjuː.di.ˌet]My parents would repudiate my brother if they ever found out he was gay. = Mis padres repudiarían a mi hermano si alguna vez descubrieran que es gay.