childish, infant
Necesito medicina para el dolores infantiles.
I need medicine for children's aches and pains.
Los servicios infantiles no querían a Laura en un mal ambiente familiar.
Child services did not want Laura in a bad family environment.
— ¡Que te den profe! (2013)
Es hora de que dejes tus costumbres infantiles.
It's time to leave your childish habits behind.
No estáis acostumbrados a cantar canciones infantiles.
You aren't used to singing children's songs.
Tenemos muchos libros infantiles en la biblioteca.
We have many children's books in the library.