Child vs Kid

When to use each in English, with meaning, register, and examples.

Child

Top 1,000 (very common)A1noun

Kid

Top 1,000 (very common)A2noun
 ChildKid
Pronunciation🇬🇧 /["/tʃaɪld/","/ˈtʃɪldrən/"]/🇺🇸 /["/tʃaɪld/","/ˈtʃɪldrən/"]/🇬🇧 /["/kɪd/"]/🇺🇸 /["/kɪd/"]/
MeaningA young human who is not yet an adult.A child or young person.
ExampleThe child played happily in the park.The kid played in the park all afternoon.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA1A2
Part of speechnounnoun
Collocationslittle, small, young, have, bear, give birth to, be born, develop, grow, actor, bride, soldier, with child, little, small, young, have, bear, give birth to, be born, develop, grow, actor, bride, soldier, with childlittle, young, big, bunch, couple, crowd, have, want, adopt, just a kid, only a kid, like a kid
Antonymsadult, grown-upadult, grown-up
Common mistakesConfused with 'children' — remember 'child' is singular., Using 'child' to refer to pets or animals., Mispronouncing it as 'chaild' instead of 'child'.Confused with 'kiddo' which is more affectionate., Used as a verb (incorrectly implying a whole action)., Confused about age range (usually implies under 12).
Usage notesCommonly used to refer to anyone under the age of 18. It is appropriate in both formal and informal contexts, but can sound out of place in discussions about adults or professional settings.Used to refer to children in most contexts. In informal settings, it can be used affectionately or playfully. Avoid in formal writing or discussions.

Frequently asked questions: Child vs Kid

What's the difference between Child and Kid?

Child: A young human who is not yet an adult. Kid: A child or young person.

Are Child and Kid the same CEFR level?

Child: A1, Kid: A2 on the CEFR scale.

Can I use Child and Kid interchangeably?

Not always. Child and Kid are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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