babyish

She could not bear it to be thought that she was babyish or "silly."

Elizabeth Walbert's babyish features were alive with animation.

How they pounded and cried, those amusing, sophisticated, babyish Parisians!

I didn't quite like her asking that: it made me seem so babyish.

I do not know why a velvet cap was despised, but it was; a cap with a tassel was babyish.

But she was—exaggerated—too intelligent—too babyish—too brilliant—too everything.

Lady Helen says you are the most babyish creature she has ever come across in her life.

He kept trying to get her to come in, and she pretended to be babyish and wouldnt.

Only you're silly, and obstinate, babyish and silly and obstinate.

He was so tickled by her babyish remorse that he made her say it again.