Incestuous/ɪnˈsestʃuəs/ Definition 1 of 2Pro Tip 1/3Negative Connotation The term carries a strong social stigma and is considered taboo. The film was controversial for its incestuous themes. Pro Tip 2/3Legal Implications In many places, incestuous acts are illegal. He faced charges due to the incestuous nature of the relationship. Pro Tip 3/3Cultural Sensitivity Understanding different cultural views on incest is important as they vary widely. Anthropologists study the incestuous taboos of diverse societies.