Boy vs Child vs Son

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

Boy

Top 1,000 (very common)A1noun

Child

Top 1,000 (very common)A1noun

Son

Top 1,000 (very common)A1noun
 BoyChildSon
Pronunciation🇬🇧 /["/bɔɪ/"]/🇺🇸 /["/bɔɪ/"]/🇬🇧 /["/tʃaɪld/","/ˈtʃɪldrən/"]/🇺🇸 /["/tʃaɪld/","/ˈtʃɪldrən/"]/🇬🇧 /["/sʌn/"]/🇺🇸 /["/sʌn/"]/
MeaningA young male child or teenager.A young human who is not yet an adult.A male child.
ExampleThe boy played soccer with his friends after school.The child played happily in the park.My son just graduated from high school.
RegisterNeutralNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)Top 1,000 (very common)
CEFR levelA1A1A1
Part of speechnounnounnoun
Collocationsbig, little, small, have, big, little, small, havelittle, 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 childbaby, newborn, infant, have, bear, give birth to, grow up
Antonymsgirl, womanadult, grown-updaughter, mother
Common mistakesConfused with 'girl' as the opposite gender, Overused in contexts where 'man' is more appropriate for older males, Used in plural as 'boy's' instead of 'boys'Confused with 'children' — remember 'child' is singular., Using 'child' to refer to pets or animals., Mispronouncing it as 'chaild' instead of 'child'.Using 'son' to refer to adult males, not just children., Confusing with 'sun', which refers to the star., Assuming it's gender-neutral when it specifically refers to males.
Usage notesUsed to refer to a child or teenager, typically under the age of 18. In formal contexts, refer to 'young man’ or 'male child'.Commonly 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 in familial contexts. Appropriate in both formal and informal situations. Not commonly used when referring to a daughter or child in general.

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Boy
Child
Son

Frequently asked questions: Boy vs Child vs Son

What's the difference between Boy, Child, and Son?

Boy: A young male child or teenager. Child: A young human who is not yet an adult. Son: A male child.

Are Boy, Child, and Son the same CEFR level?

Boy: A1, Child: A1, Son: A1 on the CEFR scale.

What part of speech are Boy, Child, and Son?

Boy: noun, Child: noun, Son: noun.

Can you show an example of each?

Boy: The boy played soccer with his friends after school. Child: The child played happily in the park. Son: My son just graduated from high school.

Can I use Boy, Child, and Son interchangeably?

Not always. Boy, Child, and Son 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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