Thin vs Undernourished

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

 ThinUndernourished
MeaningNot thick; having little width or depth.Not getting enough food or nutrients.
CEFR levelA2B1
Part of speechadjectiveadjective
Usage notesUse 'thin' to describe something that is not wide or thick. It can refer to physical objects, like a thin book, or describe a person. In informal contexts, it can sometimes have negative connotations if used to describe a person's body.Use 'undernourished' to describe individuals or populations lacking sufficient nutrition. It's often used in health or social contexts.

Frequently asked questions: Thin vs Undernourished

What's the difference between "Thin" and "Undernourished"?

"Thin" means: Not thick; having little width or depth. "Undernourished" means: Not getting enough food or nutrients.

When should I use "Thin" and "Undernourished"?

They can all be used in everyday English.

Are "Thin" and "Undernourished" the same CEFR level?

"Thin" is at A2, "Undernourished" is at B1 on the CEFR scale.

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