B2 Collocation Formal 3 min read

slight increase

Minor rise in amount

In 15 Seconds

  • A small, gentle rise in amount, level, or intensity.
  • Perfect for professional reports or polite daily observations.
  • More sophisticated than saying 'it went up a little'.

Meaning

This phrase describes a small, often barely noticeable change where something goes up just a little bit. It is perfect for when you want to be precise but stay calm about a change.

Key Examples

3 of 6
1

In a business meeting

We noticed a slight increase in website traffic this month.

We noticed a slight increase in website traffic this month.

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2

Talking about the weather

There will be a slight increase in temperature tomorrow afternoon.

There will be a slight increase in temperature tomorrow afternoon.

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3

Texting a friend about a bill

My gym membership had a slight increase in price, ugh.

My gym membership had a slight increase in price, ugh.

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🌍

Cultural Background

British speakers often use 'slight' as a form of understatement. If something is actually quite a big problem, they might still call it a 'slight increase in difficulty' to remain polite. In US business, 'slight increase' is frequently used in 'earnings calls' to describe growth that is positive but perhaps lower than investors hoped for. In science, 'slight' has a very specific meaning: it means the change is measurable but might not be 'statistically significant'. When translating this to Japanese contexts, the equivalent 'wazukana' is often used to show humility when describing one's own company's growth.

🎯

The 'In' Rule

Always remember: Increase IN something. Never 'increase of' or 'increase for'.

⚠️

Don't Overuse

If you use 'slight increase' five times in one report, it gets boring. Try 'modest rise' or 'small uptick' for variety.

In 15 Seconds

  • A small, gentle rise in amount, level, or intensity.
  • Perfect for professional reports or polite daily observations.
  • More sophisticated than saying 'it went up a little'.

What It Means

Imagine you are pouring water into a glass. You stop just as it reaches the brim. That tiny bit you added at the end? That is a slight increase. It is not a jump or a surge. It is a gentle nudge upward. In English, we use this to talk about numbers, feelings, or even the volume of a TV. It suggests that while things are higher, the world isn't ending. It is a very measured and calm way to describe growth.

How To Use It

You usually place slight increase after a verb like 'there is' or 'we saw'. You can also use it as a noun phrase. For example, 'There was a slight increase in the price of coffee.' It sounds very natural and polished. You can use it for money, temperature, or even your heart rate. It is like the 'seasoning' of English descriptions—it adds just enough detail without being dramatic. Don't overthink it; just use it when 'a little bit more' feels too casual.

When To Use It

Use this in a meeting when the news is okay but not amazing. Use it when talking to your doctor about your blood pressure. It is great for texting a friend about how much more you're exercising lately. If you are writing an essay, this phrase is your best friend. It makes you sound like you have a great handle on the English language. It is the safe, middle-ground choice for almost any scenario involving growth.

When NOT To Use It

Avoid this if the change is actually huge. If your rent doubles, calling it a slight increase sounds like a very dry joke. Do not use it for things that don't have levels. You can't have a slight increase in being dead or being pregnant. Also, if you are at a high-energy party, it might sound a bit too 'office-speak'. In those cases, just say 'it went up a bit' to keep the vibe casual.

Cultural Background

English speakers, especially in the UK and US, love 'understatement'. We often prefer to sound calm rather than excited. Using slight increase instead of 'it got bigger' shows a level of sophistication. It comes from a culture of data and observation. It is a very 'safe' phrase that avoids conflict. It lets you report a change without making people panic or celebrate too early.

Common Variations

You might hear people say marginal increase or minor increase. These are very similar but sound even more technical. If you want to be more casual, you could say a bit of an increase. If you're feeling fancy, try incremental rise. However, slight increase is the gold standard. It is the most versatile version you will find in daily conversation.

Usage Notes

This is a very safe 'neutral' phrase. It fits in 90% of situations where something has gone up by a small amount. Just ensure you don't use it for massive changes, or you might sound sarcastic.

🎯

The 'In' Rule

Always remember: Increase IN something. Never 'increase of' or 'increase for'.

⚠️

Don't Overuse

If you use 'slight increase' five times in one report, it gets boring. Try 'modest rise' or 'small uptick' for variety.

💬

The Softener

Use 'slight increase' to deliver bad news (like a price hike) to make it sound more acceptable.

Examples

6
#1 In a business meeting
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 13.255A23.931 23.931 0 0112 15c-3.183 0-6.22-.62-9-1.745M16 6V4a2 2 0 00-2-2h-4a2 2 0 00-2 2v2m4 6h.01M5 20h14a2 2 0 002-2V8a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"/></svg>

We noticed a slight increase in website traffic this month.

We noticed a slight increase in website traffic this month.

Professional way to report growth.

#2 Talking about the weather
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

There will be a slight increase in temperature tomorrow afternoon.

There will be a slight increase in temperature tomorrow afternoon.

Commonly used in weather forecasts.

#3 Texting a friend about a bill
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

My gym membership had a slight increase in price, ugh.

My gym membership had a slight increase in price, ugh.

Expressing mild annoyance about a small change.

#4 A humorous observation
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

I've noticed a slight increase in the number of gray hairs on my head.

I've noticed a slight increase in the number of gray hairs on my head.

Using formal language for a funny personal observation.

#5 Discussing health with a doctor
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I feel a slight increase in my energy levels since I started the vitamins.

I feel a slight increase in my energy levels since I started the vitamins.

Precise way to describe a physical feeling.

#6 A formal announcement
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 13.255A23.931 23.931 0 0112 15c-3.183 0-6.22-.62-9-1.745M16 6V4a2 2 0 00-2-2h-4a2 2 0 00-2 2v2m4 6h.01M5 20h14a2 2 0 002-2V8a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"/></svg>

The company announced a slight increase in the annual budget.

The company announced a slight increase in the annual budget.

Standard corporate communication style.

Test Yourself

Fill in the missing preposition.

There has been a slight increase ___ the number of applications this year.

✓ Correct! ✗ Not quite. Correct answer: in

We use 'increase in [something]' to describe what is growing.

Which sentence sounds most natural in a business report?

Choose the best option:

✓ Correct! ✗ Not quite. Correct answer: There was a slight increase in profit.

'Slight increase' is the standard professional collocation.

Complete the dialogue with the correct form.

A: Did the temperature change much? B: No, there was only a ______.

✓ Correct! ✗ Not quite. Correct answer: slight increase

We need the noun phrase 'a slight increase' after 'there was'.

Match the phrase to the most appropriate situation.

Where would you most likely hear 'slight increase'?

✓ Correct! ✗ Not quite. Correct answer: A news anchor reading the morning financial news.

The phrase is formal and objective, perfect for news reporting.

🎉 Score: /4

Visual Learning Aids

Noun vs Verb Forms

Noun Phrase
A slight increase There was a slight increase in prices.
Verb Phrase
To increase slightly Prices increased slightly.

Practice Bank

4 exercises
Fill in the missing preposition. Fill Blank B1

There has been a slight increase ___ the number of applications this year.

✓ Correct! ✗ Not quite. Correct answer: in

We use 'increase in [something]' to describe what is growing.

Which sentence sounds most natural in a business report? Choose B2

Choose the best option:

✓ Correct! ✗ Not quite. Correct answer: There was a slight increase in profit.

'Slight increase' is the standard professional collocation.

Complete the dialogue with the correct form. dialogue_completion A2

A: Did the temperature change much? B: No, there was only a ______.

✓ Correct! ✗ Not quite. Correct answer: slight increase

We need the noun phrase 'a slight increase' after 'there was'.

Match the phrase to the most appropriate situation. situation_matching B1

Where would you most likely hear 'slight increase'?

✓ Correct! ✗ Not quite. Correct answer: A news anchor reading the morning financial news.

The phrase is formal and objective, perfect for news reporting.

🎉 Score: /4

Frequently Asked Questions

10 questions

Yes, it is considered formal and professional. In casual speech, people often say 'a little bit more'.

No. 'Slightly' is an adverb and must modify a verb (e.g., 'to increase slightly'). 'Slight' is an adjective and modifies the noun 'increase'.

The most common opposite is 'a slight decrease' or 'a slight dip'.

There is no fixed number, but it usually refers to anything from 0.1% to about 5% depending on the context.

Only for measurable things like height or weight. You wouldn't say 'a slight increase in a person' unless you mean their size.

It is almost always 'increase in'. 'Increase of' is used only when followed by the amount (e.g., 'an increase of 5%').

'Small' is fine, but 'slight' sounds more precise and sophisticated in a professional setting.

Yes, 'a slight rise' is a perfect synonym and very natural.

Yes, it is used equally in British, American, Australian, and Canadian English.

Yes! You can have a 'slight difference', a 'slight problem', or a 'slight delay'.

Related Phrases

🔄

marginal increase

synonym

An increase that is very small and at the edge of significance.

🔗

modest uptick

similar

A small, positive trend.

🔗

sharp increase

contrast

A very large and sudden rise.

🔗

steady increase

builds on

An increase that happens at a consistent rate over time.

🔗

slight decrease

contrast

A small drop or fall.

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