How to say "childish" in Japanese

Choosing the right word
  • 稚拙ちせつCommon
    na-adjective, nounUse it for work that is childish in the sense of unskillful or amateurish — a drawing or piece of writing that looks like a child's clumsy attempt, not for someone's childish behavior.
  • 幼稚ようちJLPT N2approx.Common
    na-adjective, nounUse it to call behavior, remarks, or an attitude childish — immature and babyish like a small child's; it can also describe something undeveloped or primitive.
    幼稚ようちな説得せっとくとは、人ひとをしつこく唆そそのかすことだ。↗
    Crude persuasion is to persistently egg someone on.
  • 幼いおさないJLPT N3approx.Common
    i-adjectiveDescribes thinking or behavior as childishly immature, like a small child's; it also simply means that a child is very young, so it can be purely descriptive rather than critical.
    彼かれの考かんがえはとても幼おさない。↗
    His way of thinking is very childish.

Choose 幼稚 to call behavior or remarks childish and immature, 「幼い」 for the childlike immaturity of a young child or of someone's thinking, and 稚拙 for work that is childish in the sense of unskillful or amateurish.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents
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JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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