are expanding fast

USAGE SUMMARY

The phrase "are expanding fast" is correct and usable in written English.
You can use it to describe a situation where something is growing or increasing rapidly, such as a business, market, or trend. Example: "The tech startups in the region are expanding fast, attracting investors and talent from around the world."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

7 human-written examples

And although their average incomes are still low, their middle classes are expanding fast, creating a vast new market.

The Economist

The remarkable thing about America is how many big companies are expanding fast largely through organic growth (augmented, admittedly, by plenty of small acquisitions).

The Economist

New sources of demand are expanding fast, too: according to Computer Weekly, global data centre power consumption quadrupled from 2007 to 2013, and is set to nearly double again over the next 15 years.

The Guardian

A drop in the ocean: the WFP reckons it will have to feed as many as 4m Zimbabweans by next April.But the websites are expanding fast; mukuru plans to open in half a dozen African countries this year.

The Economist

In the past few years, three major private contractors have sprung up in California, and they are expanding fast.

Forbes

The GHS site selection process has resulted in agglomerations of homes around the country, which are expanding fast as the population grows.

International Journal of Disaster Risk Science

Human-verified similar examples from authoritative sources

Similar Expressions

53 human-written examples

And the tax bases are expanding faster than the towns can estimate.

The New York Times

The parts of the developed world that are expanding fastest will experience higher interest rates first.

Independent

Howarth says railways across the world are expanding faster than any other infrastructure and so there is little danger that new recruits to the industry could run out of work in future.

The Guardian

He adds that even the slowest-growing local phone companies are expanding faster than the Gross Domestic Product.

Forbes

This shows that CGIs are expanding faster in the dog genome and disappearing faster in the panda genome.

Genome Biology and Evolution

Expert writing Tips

Best practice

Use "are expanding fast" when you want to emphasize rapid growth or increase within a specific timeframe. It is suitable for describing businesses, markets, or trends.

Common error

Avoid using "are expanding fast" with abstract concepts that don't typically grow in a measurable way. Instead of saying "ideas are expanding fast", consider alternatives like "gaining traction" or "becoming more prevalent".

Linguistic Context

The phrase "are expanding fast" primarily functions as a verb phrase indicating a state of rapid increase or growth. It consists of the auxiliary verb "are" followed by the present participle "expanding" and the adverb "fast". Ludwig shows that the phrase is used to describe quickly growing entities.

Expression frequency: Common

Frequent in

News & Media

57%

Science

14%

Formal & Business

8%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "are expanding fast" is a common and grammatically sound way to describe rapid growth or increase. As Ludwig AI confirms, it's suitable for various contexts, particularly in News & Media and Science. While it's a versatile phrase, it’s important to use it appropriately and avoid applying it to abstract concepts that don't grow in a measurable sense. Alternatives such as "are growing rapidly" or "are quickly increasing" can be used depending on the desired nuance. Usage patterns indicate high frequency across many reliable sources.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

are growing rapidly

Emphasizes speed of growth, substituting "expanding" with "growing" and "fast" with "rapidly".

are quickly increasing

Highlights the swift increase, replacing "expanding" with "increasing" and "fast" with "quickly".

are experiencing rapid growth

Focuses on the experience of growth, using a more formal tone.

are on a fast growth trajectory

Emphasizes the direction of growth, implying a path of rapid increase.

are ballooning quickly

Uses a more figurative term, "ballooning", to describe rapid expansion.

are seeing explosive growth

Highlights the intensity of the growth, using "explosive" to describe the speed.

are flourishing at a high rate

Emphasizes successful growth, substituting "expanding" with "flourishing".

are surging ahead rapidly

Suggests forward movement with rapid expansion, replacing "expanding" with "surging".

are advancing swiftly

Focuses on the swift advancement, replacing "expanding" with "advancing".

are developing at an accelerated pace

Highlights speed of development, using a more formal tone.

FAQs

How can I use "are expanding fast" in a sentence?

You can use "are expanding fast" to describe something that is growing or increasing rapidly. For example: "The tech startups in the region "are expanding fast", attracting investors and talent from around the world".

What are some alternatives to saying "are expanding fast"?

You can use alternatives like "are growing rapidly", "are quickly increasing", or "are experiencing rapid growth" depending on the context.

Is it correct to say "is expanding fast" instead of "are expanding fast"?

The correct form depends on the subject. Use "is expanding fast" with singular subjects (e.g., "The business is expanding fast"), and "are expanding fast" with plural subjects (e.g., "The markets are expanding fast").

What is the difference between "are expanding fast" and "are expanding rapidly"?

Both phrases mean essentially the same thing, but "are expanding rapidly" might sound slightly more formal. The choice depends on the tone you want to convey.