Cool MateBaby vs Infant
When to use each in English, with meaning, register, and examples.
Baby
Top 1,000 (very common)A1noun
Infant
Top 2,000 (common)C1noun
Most common: Baby
| Baby | Infant | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈbeɪbi/"]/🇺🇸 /["/ˈbeɪbi/"]/ | 🇬🇧 /["/ˈɪnfənt/"]/🇺🇸 /["/ˈɪnfənt/"]/ |
| Meaning | A very young child, especially one who is not yet able to walk or talk. | A very young baby, usually under one year old. |
| Example | The baby is sleeping in the crib. | The infant was fast asleep in the cradle. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 2,000 (common) |
| CEFR level | A1 | C1 |
| Part of speech | noun | noun |
| Collocations | new, newborn, tiny, have, want, conceive, be due, arrive, be born, boy, girl, brother, sleep like a baby | young, month-old, two-month-old, breastfeed, feed, nurse, death, mortality, child, sudden infant death syndrome |
| Antonyms | adult, grown-up | adult, grown-up |
| Common mistakes | Using 'babies' instead of 'baby' when referring to one child., Confusing 'baby' with 'child' when the age context is different., Using 'baby' to refer to pets in a serious context. | 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. |
| Usage notes | Typically used in everyday conversation. It can refer to an infant or might be used affectionately for a partner. Avoid in formal writing. | 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. |
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Frequently asked questions: Baby vs Infant
What's the difference between Baby and Infant?
Baby: A very young child, especially one who is not yet able to walk or talk. Infant: A very young baby, usually under one year old.
Which is more common: Baby and Infant?
Baby is the most common in everyday English.
Which is more advanced: Baby and Infant?
Infant is the highest level, at C1, on the CEFR scale.
Are Baby and Infant the same CEFR level?
Baby: A1, Infant: C1 on the CEFR scale.
What part of speech are Baby and Infant?
Baby: noun, Infant: noun.
Can you show an example of each?
Baby: The baby is sleeping in the crib. Infant: The infant was fast asleep in the cradle.
Can I use Baby and Infant interchangeably?
Not always. Baby and Infant 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.