Cool MateAssume vs Suppose
When to use each in English, with meaning, register, and examples.
Assume
Top 1,000 (very common)B2verb
Suppose
Top 1,000 (very common)A2verb
| Assume | Suppose | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/əˈsjuːm/","/əˈsjuːmz/","/əˈsjuːmd/","/əˈsjuːmɪŋ/"]/🇺🇸 /["/əˈsuːm/","/əˈsuːmz/","/əˈsuːmd/","/əˈsuːmɪŋ/"]/ | 🇬🇧 /["/səˈpəʊz/","/səˈpəʊzɪz/","/səˈpəʊzd/","/səˈpəʊzɪŋ/"]/🇺🇸 /["/səˈpəʊz/","/səˈpəʊzɪz/","/səˈpəʊzd/","/səˈpəʊzɪŋ/"]/ |
| Meaning | To take something as true without proof. | to think something is true, especially for planning. |
| Example | I assume you will be attending the meeting tomorrow. | Suppose we leave early, we might avoid traffic. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | B2 | A2 |
| Part of speech | verb | verb |
| Collocations | automatically, naturally, reasonably, can, might, tend to, let us assume | mistakenly, wrongly, commonly, be plausible to, be reasonable to, be absurd to, reason to suppose something |
| Antonyms | doubt, disregard, question | disbelieve, doubt, reject |
| Common mistakes | Often confused with 'presume', which implies a stronger basis for belief., Mistakenly used in place of 'guess', which is more uncertain. | Confused with 'suppose' vs 'supposed' — don't use them interchangeably., Using 'suppose' in a command form improperly., Mistakenly using 'suppose' with a noun instead of a clause. |
| Usage notes | Commonly used in everyday conversation and writing. Avoid using 'assume' in very formal contexts where more precise language is needed. | Typically used in situations where you're making assumptions or predictions. It's less appropriate in formal writing. In casual talks, it can indicate uncertainty. |
Frequently asked questions: Assume vs Suppose
What's the difference between Assume and Suppose?
Assume: To take something as true without proof. Suppose: to think something is true, especially for planning.
Which is more advanced: Assume and Suppose?
Assume is the highest level, at B2, on the CEFR scale.
Are Assume and Suppose the same CEFR level?
Assume: B2, Suppose: A2 on the CEFR scale.
What part of speech are Assume and Suppose?
Assume: verb, Suppose: verb.
Can you show an example of each?
Assume: I assume you will be attending the meeting tomorrow. Suppose: Suppose we leave early, we might avoid traffic.
Can I use Assume and Suppose interchangeably?
Not always. Assume and Suppose 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.