Cool MateSuch vs Which
When to use each in English, with meaning, register, and examples.
Such
Top 1,000 (very common)A1
Which
Top 1,000 (very common)A1
| Such | Which | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/sʌtʃ/"]/🇺🇸 /["/sʌtʃ/"]/ | 🇬🇧 /["/wɪtʃ/"]/🇺🇸 /["/wɪtʃ/"]/ |
| Meaning | used to show the degree or quality of something | used to ask about one or more items from a group |
| Example | I have never seen such a beautiful sunset. | Which is better exercise—swimming or tennis? |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | A1 | A1 |
| Collocations | such a shame, such as, such things, such effort | which one, which books, which option |
| Antonyms | different, other | that, who, what |
| Common mistakes | Mixing up 'such' with 'so' — 'such' modifies nouns, while 'so' modifies adjectives., 'Such' is often overused, leading to awkward sentences., Using 'such' without 'a' or 'an' when needed. | 'Which' vs. 'what' confusion - 'which' is for limited choices., Omitting 'which' in questions – e.g., 'What book do you want?' instead of 'Which book?', Using 'which' with plural nouns without context – 'Which animals?' needs clarification. |
| Usage notes | Used to emphasize a particular quality. Works well in writing and speaking but avoid in very formal settings where precision is needed. | Use 'which' when asking to specify one item from a defined set. Avoid using 'which' with totally open-ended questions where anything could apply. |
Frequently asked questions: Such vs Which
What's the difference between Such and Which?
Such: used to show the degree or quality of something Which: used to ask about one or more items from a group
Are Such and Which the same CEFR level?
Such: A1, Which: A1 on the CEFR scale.
Can you show an example of each?
Such: I have never seen such a beautiful sunset. Which: Which is better exercise—swimming or tennis?
Can I use Such and Which interchangeably?
Not always. Such and Which 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.