Definition of childishness noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈtʃaɪldɪʃnəs//
    ; NAmE NAmE//ˈtʃaɪldɪʃnəs//
    jump to other results
  1. 1the quality of being typical of a child His face is a fascinating mixture of childishness and maturity. opposite maturity (2)
  2. 2(disapproving) the quality in an adult of thinking and behaving in a stupid or silly way synonym immaturity (1) I felt frustrated at the sheer childishness of my teammates. opposite maturity (1)