He had reverted today to his most infantile behavior, which included name-calling and sand-throwing.

"I'll find a different way of not growing up," he said, pledging himself to infantile behavior forever.

And because we expected precisely this kind of infantile behavior from you.

All self-respecting members of the House will seek to distance themselves from such infantile behavior if they wish to be taken seriously.

Love and attention being the rewards of infantile behaviour, it only amazes me that I did not think of the idea sooner.

I suppose being actors, their infantile behavior reflects their ability to suspend reality and to pretend.

The crucial issue goes well beyond Don Imus's pathetically infantile behavior.

Experts seem divided as to what such infantile behaviour might signify in a relationship.

He would have seen it as infantile behaviour.