PUERILISM By N., Sam M.S. - 28 Behavior that is childish. Not to be confused with "child-like". PUERILISM: "Her peurilism made it difficult to take Shannon seriously." Related Psychology Terms Piaget’s Theory of Cognitive Development DISCIPLINE (literally, “to learn”) A Comparison of Maternal and Paternal Filicide CHILD PSYCHIATRY REGRESSION ENURESIS (Bed-wetting) CHILD PSYCHOLOGY IMITATION ANTISOCIAL REACTION ADOLESCENCE (Theories) Cite this page: N., Sam M.S., "PUERILISM," in PsychologyDictionary.org, April 28, 2013, https://psychologydictionary.org/puerilism/ (accessed August 13, 2022).