Cool MateSo-called vs Supposed
When to use each in English, with meaning, register, and examples.
So-called
Top 3,000 (common)B2adjective
Supposed
Top 1,000 (very common)
Most common: Supposed
| So-called | Supposed | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˌsəʊ ˈkɔːld/"]/🇺🇸 /["/ˌsəʊ ˈkɔːld/"]/ | 🇬🇧 //səˈpəʊzd//🇺🇸 //səˈpoʊzd// |
| Meaning | What people call something, even if it's not really that. | Expected or thought to be true. |
| Example | the opinion of a so-called ‘expert’ | He was supposed to arrive by noon but is still not here. |
| Register | Neutral | Neutral |
| How common | Top 3,000 (common) | Top 1,000 (very common) |
| CEFR level | B2 | - |
| Part of speech | adjective | |
| Collocations | so-called expert, so-called problem, so-called leader | supposed to be, is supposed to, was supposed to, supposed outcome, supposed purpose |
| Antonyms | genuine, authentic, real | unfounded, unverified |
| Common mistakes | Confusing 'so-called' with 'so call', Using 'so-called' without a following noun, Overusing 'so-called' in formal contexts | Confused with 'suppose', which is the verb form., Misused in past tense contexts where 'was supposed to' is needed., Used incorrectly as an adverb, such as 'supposedly'. |
| Usage notes | Use 'so-called' to describe something that is named or labeled in a certain way, often implying doubt about the name's accuracy. Avoid in very formal writing. | Use 'supposed' to express expectations or beliefs. It is suitable in both spoken and written contexts but may sound informal in some formal writing. |
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Frequently asked questions: So-called vs Supposed
What's the difference between So-called and Supposed?
So-called: What people call something, even if it's not really that. Supposed: Expected or thought to be true.
Which is more common: So-called and Supposed?
Supposed is the most common in everyday English.
Can you show an example of each?
So-called: the opinion of a so-called ‘expert’ Supposed: He was supposed to arrive by noon but is still not here.
Can I use So-called and Supposed interchangeably?
Not always. So-called and Supposed 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.