Histrionical is an adjective that refers to exaggerated dramatic behavior, often associated with theatrical performances. For this reason, synonyms for this word often relate to drama, theatrics, and over-the-top behavior. Some of the most common synonyms for histrionical include melodramatic, over-dramatic, exaggerated, flamboyant, theatrical, and ostentatious. These terms suggest a person who is prone to large gestures, loud voices, and excessive emotions. Other synonyms for histrionical might include overacting, hamming it up, or playing to the crowd. Regardless of the specific synonym used, histrionical behavior is typically seen as somewhat artificial or insincere, designed to draw attention or create a sense of drama.