- boyish
- childish
- folish
- foolish
Synonyms for puerilis
- demens – foolish, insane, mad, out of one's mind
- dementis – foolish, insane, mad, out of one's mind
- fatua – foolish
- inasnum – foolish, insane
- insanum – foolish
- laevus – foolish, left, left side, silly, the left hand, unlucky, unpropitious
- levus – foolish, left, left side, silly, the left hand, unlucky, unpropitious
- stultus – a fool, foolish