The word "objurate" means to scold or rebuke someone strongly or to condemn them vehemently. There are several synonyms for this word, such as reprimand, rebuke, censure, admonish, criticize, chastise, castigate, denounce, reproach, upbraid, and condemn. These words all convey a similar meaning but may differ in their context and tone. For example, "reprimand" implies a harsh scolding, while "admonish" may suggest a gentler tone of caution. "Castigate" and "condemn" have more severe connotations, suggesting punishment or rejection. Ultimately, the synonym chosen will depend on the context and the desired level of severity or intensity of the rebuke.