Contumacious/ˌkɑːntuˈmeɪʃəs/ Definition 1 of 2Pro Tip 1/3Negative Connotation Usually suggests a person's negative and stubborn behavior towards authority. Her contumacious refusal to follow the rules got her in trouble. Pro Tip 2/3Strong Disobedience Highlights extreme refusal to obey, more intense than just non-compliance. Despite repeated warnings, his contumacious behavior continued. Pro Tip 3/3Potential Consequences Using 'contumacious' implies there might be consequences for the defiance shown. The contumacious student faced suspension for his actions.