(ˈskuːlˌɡɜːlɪʃ) adjlike or characteristic of a schoolgirlThesaurus
Adj.
1.
schoolgirlish - befitting or characteristic of a young girl; "girlish charm"; "a dress too schoolgirlish for office wear"girlishyoung, immature - (used of living things especially persons) in an early period of life or development or growth; "young people"