immature

1. Origins, structure, and basic meaning

• Structure: 稚 has 13 strokes and relates to being young or not yet mature.
• Basic usage: 幼稚 is read ようち, and 幼稚園 is read ようちえん.

2. Common pitfalls and similar expressions

• An evaluation of behavior and an institution
  • 幼稚だ judges something as childish or immature. It can describe delight in another person's failure or an unconvincing excuse.
  • 幼稚園へ通っている means attending kindergarten.
  • 幼稚園 names an educational institution for young children, distinct from an expression criticizing behavior.