Definition of "schoolgirlish" []

• Resembling a schoolgirl in behaviour. (adjective)

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• "Rachael, heartily ashamed of what she would have termed her schoolgirlish display of emotion, came slowly to herself, dozed over a magazine, plunged into a cold bath, and at four o'clock dressed herself exquisitely for Mrs. Whittaker's informal dinner."
• "The answer came in the form of a shy, pleased schoolgirlish smile."
• "Irritating silly schoolgirlish giggling from the "journalists" while they were leading Vince Cable into their trap."