Cool MateChild vs Infant vs Kid
When to use each in English, with meaning, register, and examples.
Child
Top 1,000 (very common)A1noun
Infant
Top 2,000 (common)C1noun
Kid
Top 1,000 (very common)A2noun
| Child | Infant | Kid | |
|---|---|---|---|
| Pronunciation | 🇬🇧 /["/tʃaɪld/","/ˈtʃɪldrən/"]/🇺🇸 /["/tʃaɪld/","/ˈtʃɪldrən/"]/ | 🇬🇧 /["/ˈɪnfənt/"]/🇺🇸 /["/ˈɪnfənt/"]/ | 🇬🇧 /["/kɪd/"]/🇺🇸 /["/kɪd/"]/ |
| Meaning | A young human who is not yet an adult. | A very young baby, usually under one year old. | A child or young person. |
| Example | The child played happily in the park. | The infant was fast asleep in the cradle. | The kid played in the park all afternoon. |
| Register | Neutral | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 2,000 (common) | Top 1,000 (very common) |
| CEFR level | A1 | C1 | A2 |
| Part of speech | noun | noun | noun |
| Collocations | little, 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 child | young, month-old, two-month-old, breastfeed, feed, nurse, death, mortality, child, sudden infant death syndrome | little, young, big, bunch, couple, crowd, have, want, adopt, just a kid, only a kid, like a kid |
| Antonyms | adult, grown-up | adult, grown-up | adult, grown-up |
| Common mistakes | Confused with 'children' — remember 'child' is singular., Using 'child' to refer to pets or animals., Mispronouncing it as 'chaild' instead of 'child'. | Confusing infant with toddler, which refers to a slightly older age range., Using 'infant' when talking about older children., Incorrectly applying the term in non-medical contexts. | 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 notes | 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 everyday conversation and in medical contexts. Generally appropriate when discussing babies or child development. Avoid in casual settings where relaxed language is used; 'baby' might be more common. | Used to refer to children in most contexts. In informal settings, it can be used affectionately or playfully. Avoid in formal writing or discussions. |
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Frequently asked questions: Child vs Infant vs Kid
What's the difference between Child, Infant, and Kid?
Child: A young human who is not yet an adult. Infant: A very young baby, usually under one year old. Kid: A child or young person.
Which is more advanced: Child, Infant, and Kid?
Infant is the highest level, at C1, on the CEFR scale.
Are Child, Infant, and Kid the same CEFR level?
Child: A1, Infant: C1, Kid: A2 on the CEFR scale.
What part of speech are Child, Infant, and Kid?
Child: noun, Infant: noun, Kid: noun.
Can you show an example of each?
Child: The child played happily in the park. Infant: The infant was fast asleep in the cradle. Kid: The kid played in the park all afternoon.
Can I use Child, Infant, and Kid interchangeably?
Not always. Child, Infant, 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.