How to Use "infantile" with Example Sentences

1. Is there a way to remedy this infantile behaviour ?

2. That is infantile and selfish .

3. Each time , the marketing pushes to become less uptight , more infantile more teenage boy .

4. Typing of infantile body surface congenital vascular diseases with color doppler ultrasonography .

5. One seldom hears a blonde say anything worth hearing ; the most they commonly achieve is a specious , baby-like prattling , an infantile artlessness .