Babyism is a term that refers to the act of speaking or behaving in a childish or infantile manner. Synonyms for babyism include childishness, immaturity, infantilism, petulance, and naivety. These words all portray the tendency to display behaviors or attitudes associated with babies or young children. Babyism often involves using a high-pitched or babyish voice, throwing tantrums, seeking attention, or refusing to take responsibility for one's actions. Although babyism can be endearing in certain contexts, it can also be seen as annoying or inappropriate in adult interactions or professional environments. Synonyms like childishness and immaturity highlight the lack of maturity and emotional development that lies at the core of babyism.