sum up

describe something or someone in a few words

B1

What does "sum sb/sth up" mean?

To sum up means to give a short description of the main points of something — like a quick recap at the end of a presentation, meeting, or essay. It focuses on reviewing the content of what was said or written, pulling together the most important ideas in a clear and brief way. You can use it in many situations: a teacher might sum up the lesson, a presenter might sum up their argument, or a report might sum up the findings. It works in both formal and informal situations, so it is useful in business meetings and everyday conversation. A very common use is the phrase 'to sum up' at the start of a sentence to introduce a conclusion — for example, before giving a final opinion or verdict.

Examples

How to use it

sum up + noun phrase

The most common pattern — use this when the object is a longer noun phrase such as 'the main points' or 'the situation'.

The presenter took a moment to sum up the key findings before taking questions.

sum + pronoun + up

When the object is a pronoun, it must always go between the verb and the particle.

That's a complicated topic — can you sum it up in a few sentences?

sum + short noun + up

Short noun phrases can also go between the verb and the particle, which sounds natural and is common in speech.

She summed the argument up clearly and confidently.

to sum up, ...

Used at the start of a sentence as a fixed phrase to signal a conclusion — no object is needed in this pattern.

To sum up, the new policy will save time and reduce costs for everyone involved.

be summed up (passive)

The passive is used when you want to focus on the content being summarised rather than who did the summarising.

The main conclusions were neatly summed up in the final paragraph of the report.

Common Collocations

sum up the situationsum up the main pointssum up the argumentsum it upto sum up (discourse marker)sum up perfectly

Common Mistakes

Pronoun placement

When the object is a pronoun like 'it' or 'them', it must go between the verb and the particle. Placing it after 'up' is not correct in English.

✗ Can you sum up it for me?
✓ Can you sum it up for me?
Confusing 'sum up' with 'wrap up'

'Sum up' means to review or restate the main points of something, while 'wrap up' means to finish or bring something to a close without necessarily reviewing the content. They are not always interchangeable.

✗ Let's wrap up the main arguments before we vote.
✓ Let's sum up the main arguments before we vote.
Separating with a very long noun phrase

With long noun phrases, keep the object after 'up' rather than splitting the phrasal verb — putting a long phrase in the middle sounds awkward.

✗ She summed the main points of the entire discussion up.
✓ She summed up the main points of the entire discussion.

Usage

This phrasal verb is neutral and works in both formal and informal contexts. 'To sum up' at the start of a sentence is a very common and natural way to introduce a conclusion in a presentation, essay, or speech.

Frequently Asked Questions

Is 'to sum up' at the start of a sentence correct, or do I need an object?

Yes, it is completely correct and very natural. 'To sum up' is often used as a fixed phrase at the beginning of a concluding sentence without any object — for example, 'To sum up, the plan worked well.' It is a common way to signal the end of a speech, essay, or presentation.

What kinds of things can you 'sum up'?

You can sum up content — things like arguments, discussions, findings, situations, evidence, main points, or someone's thoughts. The key idea is that the object is a piece of information or a set of ideas, not an event or activity itself. For example, you sum up a debate, not a party.

What is the difference between 'sum up' and 'summarise'?

'Sum up' and 'summarise' are very similar in meaning, but 'sum up' tends to feel more conversational and often suggests a quick or final recap. 'Summarise' is slightly more formal and is more common in academic or professional writing. In everyday speech and most business situations, 'sum up' is the more natural choice.

Can I use 'sum up' with adverbs like 'perfectly' or 'neatly'?

Yes — adverbs work very naturally with this phrasal verb. 'Perfectly' is especially common: 'That word perfectly sums it up.' You can also say 'neatly summed up' or 'briefly summed up'. These adverbs usually go before the verb or between the verb and the particle.

I've heard judges 'sum up' in court — is this a different meaning?

It is the same core meaning. In British legal English, a judge 'sums up' for the jury by reviewing the key evidence and legal points before the jury makes its decision. This is a specific and well-known use of the phrase, but the idea of giving a review of the main points is exactly the same as in everyday use.

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