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Childish vs. immature: what’s the difference?

The short answer

Childish often connotes behavior typical of a young child, sometimes with a playful or simplistic tone, while immature can imply a lack of development or sophistication, regardless of actual age.

What they have in common

Both describe behavior that is not fully developed or grown-up.

Examples

childish

  • Stop being so childish and take responsibility for your actions.
  • Her childish giggle was infectious.

immature

  • His response to criticism was immature and defensive.
  • She displayed immature behavior despite her advanced age.

Which one is more common?

Internet search results for “childish” and “immature”

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