Wiktionary
schoolgirlish
a. Resembling or characteristic of a schoolgirl.
WordNet
schoolgirlish
adj. befitting or characteristic of a young girl; "girlish charm"; "a dress too schoolgirlish for office wear" [syn: girlish]
Usage examples of "schoolgirlish".
It would never do to appear schoolgirlish beside Melanie’s poised self.
At a large drugstore that sold everything from cough syrup to furniture, I got a handful of change from a schoolgirlish blonde cashier behind one of the registers and made my way to the phone booths.