Act fast vs Hurry up
When to use each in English, with meaning, register, and examples.
Act fast
Beyond 10,000 (less common)
Hurry up
InformalTop 2,000 (common)
Most formal: Act fastMost common: Hurry up
| Act fast | Hurry up | |
|---|---|---|
| Pronunciation | 🇬🇧 //ækt fæst//🇺🇸 //ækt fæst// | 🇬🇧 //ˈhʌri ʌp//🇺🇸 //ˈhɜri ʌp// |
| Meaning | Do something quickly. | Do something faster. |
| Example | If you want to win the game, you need to act fast! | You need to hurry up or we will miss the train! |
| Register | Neutral | Informal |
| How common | Beyond 10,000 (less common) | Top 2,000 (common) |
| Collocations | act fast in an emergency, act fast to secure a deal, act fast while the offer lasts | hurry up and wait, hurry up before, hurry up to |
| Common mistakes | Using 'act fast' in a formal context., Confusing 'act fast' with 'act quickly', which has the same meaning but sounds different., Not understanding it implies urgency. | Omitting 'up', saying just 'hurry'., 'Hurry up' used in formal writing., Using 'hurry up' without an object or activity. |
| Usage notes | Use 'act fast' when you need someone to respond quickly. It's appropriate in many situations, but can sound urgent. | Commonly used in casual contexts to prompt someone to act more quickly. Avoid in formal situations. |
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Frequently asked questions: Act fast vs Hurry up
What's the difference between Act fast and Hurry up?
Act fast: Do something quickly. Hurry up: Do something faster.
Which is more formal: Act fast and Hurry up?
Act fast is the most formal of these.
Which is more common: Act fast and Hurry up?
Hurry up is the most common in everyday English.
Can you show an example of each?
Act fast: If you want to win the game, you need to act fast! Hurry up: You need to hurry up or we will miss the train!
Can I use Act fast and Hurry up interchangeably?
Not always. Act fast and Hurry up 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.