Cool MateFast vs Quick
When to use each in English, with meaning, register, and examples.
Fast
Top 1,000 (very common)A1adjective
Quick
Top 1,000 (very common)A1adjective
| Fast | Quick | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/fɑːst/"]/🇺🇸 /["/fæst/"]/ | 🇬🇧 /["/kwɪk/"]/🇺🇸 /["/kwɪk/"]/ |
| Meaning | Moving or happening quickly. | happening fast or in a short time |
| Example | She runs very fast when she is late for school. | She took a quick glance at the clock. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | A1 | A1 |
| Part of speech | adjective | adjective |
| Collocations | be, seem, extremely, fairly, very, be, seem, extremely, fairly, very | be, seem, become, extremely, fairly, very, at, quick and easy, be, seem, become, extremely, fairly, very, at, quick and easy, be, seem, become, extremely, fairly, very, at, quick and easy |
| Antonyms | slow | slow, leisurely |
| Common mistakes | 'Fast' is sometimes confused with 'quick' improperly., Learners often forget that 'fast' can be used for both time and physical speed., Some may incorrectly add 'ly' to make it an adverb (fastly). | Confused with 'fast' — while similar, 'quick' often implies a short duration., Using 'quicker' instead of 'more quick' — 'quick' forms a comparative like 'quicker'., Mixing up noun and adjective forms; remember 'quick' is an adjective. |
| Usage notes | Use 'fast' to describe speed, but be cautious when using it with 'to' (as in 'to fast', it means to not eat for a period of time). Appropriate in both written and spoken contexts. | Used to describe actions or things that happen with speed. Avoid using in very formal situations; instead, use 'rapid' or 'swift'. |
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Frequently asked questions: Fast vs Quick
What's the difference between Fast and Quick?
Fast: Moving or happening quickly. Quick: happening fast or in a short time
Are Fast and Quick the same CEFR level?
Fast: A1, Quick: A1 on the CEFR scale.
What part of speech are Fast and Quick?
Fast: adjective, Quick: adjective.
Can you show an example of each?
Fast: She runs very fast when she is late for school. Quick: She took a quick glance at the clock.
Can I use Fast and Quick interchangeably?
Not always. Fast and Quick 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.