Infant vs Youngster

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

 InfantYoungster
MeaningA very young baby, usually under one year old.A young person, especially a child or teenager.
CEFR levelC1C1
Part of speechnounnoun
Usage notesUsed 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 or teens in general contexts. Avoid in highly formal writing; use 'youth' instead in academic settings.

Frequently asked questions: Infant vs Youngster

What's the difference between "Infant" and "Youngster"?

"Infant" means: A very young baby, usually under one year old. "Youngster" means: A young person, especially a child or teenager.

When should I use "Infant" and "Youngster"?

They can all be used in everyday English.

Are "Infant" and "Youngster" the same CEFR level?

"Infant" is at C1, "Youngster" is at C1 on the CEFR scale.