Half vs Portion

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

 HalfPortion
MeaningOne of two equal parts of something.a part of something larger
CEFR levelA1B2
Part of speechnounnoun
Usage notesUsed in everyday conversation as well as in written contexts. It's appropriate for both formal and informal situations, like asking for half a pizza or describing a study that used half the participants.Use 'portion' when you refer to a part of food, quantity, or share. It's neutral and suitable for everyday conversations and formal writing. Avoid using it when discussing something that can't be divided easily.

Frequently asked questions: Half vs Portion

What's the difference between "Half" and "Portion"?

"Half" means: One of two equal parts of something. "Portion" means: a part of something larger

When should I use "Half" and "Portion"?

They can all be used in everyday English.

Are "Half" and "Portion" the same CEFR level?

"Half" is at A1, "Portion" is at B2 on the CEFR scale.

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