childish.
Immature in thought or behaviour.
Meaning & usage
Immature in thought or behaviour.
Your childish temper tantrums are not going to change my decision on this matter.
Suitable for or expected of a child.
This game is very childish.
Where this word comes from
Etymology tree Old English ċild Proto-Indo-European *-iskos Proto-Germanic *-iskaz Proto-West Germanic *-isk Old English -isċ Old English ċildisċ Middle English childisch English childish From Middle English childisch, from Old English ċildisċ. By surface analysis, child + -ish.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.