Portion vs To be half of a whole

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

Portion

Top 2,000 (common)B2noun

To be half of a whole

Beyond 10,000 (less common)
Most common: Portion
 PortionTo be half of a whole
Pronunciation🇬🇧 /["/ˈpɔːʃn/"]/🇺🇸 /["/ˈpɔːrʃn/"]/🇬🇧 //tə biː hɑːf əv ə həʊl//🇺🇸 //tə bi hɑf əv ə hoʊl//
Meaninga part of something largerTo be one part of something that is complete.
ExampleI only ate a small portion of the pie, as I wasn't really hungry.In a successful relationship, both partners need to feel they are half of a whole.
RegisterNeutralNeutral
How commonTop 2,000 (common)Beyond 10,000 (less common)
CEFR levelB2-
Part of speechnoun
Collocationsconsiderable, good, huge, make up, take up, portion of, double, generous, large, eat, portion of, divide something into portions, considerable, good, huge, make up, take up, portion ofhalf of a whole, complete a whole, divided into halves, part of a whole
Antonymswhole, entirety, total-
Common mistakesUsing 'portion' with plural nouns (e.g., 'portions of food' is correct, but don't say 'portion of foods')., Confusing 'portion' with 'proportion', which refers to a ratio., Using 'portion' when referring to an entire object instead of a part.Confusing with 'whole' and 'hole'., Using inappropriately in contexts that don't involve partnership or division., Forgetting to use it in contexts where a relationship or contribution is clearly implied.
Usage notesUse '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.Use this phrase when discussing concepts related to completeness or partnerships. It's common in conversations about teamwork or relationships.

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To be half of a whole

Frequently asked questions: Portion vs To be half of a whole

What's the difference between Portion and To be half of a whole?

Portion: a part of something larger To be half of a whole: To be one part of something that is complete.

Which is more common: Portion and To be half of a whole?

Portion is the most common in everyday English.

Can you show an example of each?

Portion: I only ate a small portion of the pie, as I wasn't really hungry. To be half of a whole: In a successful relationship, both partners need to feel they are half of a whole.

Can I use Portion and To be half of a whole interchangeably?

Not always. Portion and To be half of a whole 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.

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