Childish/ˈtʃaɪldɪʃ/ Definition 1 of 2Pro Tip 1/3Positive Connotation Can express endearing qualities associated with children, like innocence or genuine excitement. Her childish glee at seeing puppies was heartwarming. Pro Tip 2/3Not Only Negative While 'childish' can seem critical, it's not always negative and can show fondness. She smiled at his childish wonder during the fireworks. Pro Tip 3/3Literal Use Used to describe objects or actions literally meant for or typical of children. The small chairs at the table looked rather childish.