childish

Max Verstappen said Formula 1 was "annoying" and that questions about him racing under the threat of a race ban were "childish".

The American people need to give up childish things and do the necessary hard work if they are to have any chance of saving their democracy from Trumpism and the larger right-wing antidemocracy revolutionary project.

Obviously that was a childish delusion, but Trump has clung to it through thick and thin, even fantasizing that they had a special bond.

Shah said the council needed to move on from the "distraction" of "childish games" and "identity politics".

The kind that already had opportunities to make emotional or childish mistakes on the court or perhaps in a social media post and learned from them.