boyish

People disliked his boyish and juvenile behaviour.

Her boyish figure belied her femininity.

He did so, but very soon stopt again to say, “the piano-forte! Ah! That was the act of a very, very young man, one too young to consider whether the inconvenience of it might not very much exceed the

That girl looks boyish.

This girl looks boyish.

I saw his dark face lit up with a boyish enthusiasm as he gazed about him.