Cool MateAssume vs Incur
When to use each in English, with meaning, register, and examples.
Assume
Incur
| Assume | Incur | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/əˈsjuːm/","/əˈsjuːmz/","/əˈsjuːmd/","/əˈsjuːmɪŋ/"]/🇺🇸 /["/əˈsuːm/","/əˈsuːmz/","/əˈsuːmd/","/əˈsuːmɪŋ/"]/ | 🇬🇧 /["/ɪnˈkɜː(r)/","/ɪnˈkɜːz/","/ɪnˈkɜːd/","/ɪnˈkɜːrɪŋ/"]/🇺🇸 /["/ɪnˈkɜːr/","/ɪnˈkɜːrz/","/ɪnˈkɜːrd/","/ɪnˈkɜːrɪŋ/"]/ |
| Meaning | To take something as true without proof. | To cause something to happen to yourself, usually something bad like a cost or penalty. |
| Example | I assume you will be attending the meeting tomorrow. | She had incurred the wrath of her father by marrying without his consent. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 3,000 (common) |
| CEFR level | B2 | C1 |
| Part of speech | verb | verb |
| Collocations | automatically, naturally, reasonably, can, might, tend to, let us assume | incur costs, incur debt, incur risk, incur penalties, incur expenses |
| Antonyms | doubt, disregard, question | avoid, prevent |
| Common mistakes | Often confused with 'presume', which implies a stronger basis for belief., Mistakenly used in place of 'guess', which is more uncertain. | Using 'incur' without an object, e.g., 'I incur.', Confusing 'incur' with 'occur.', Not using it in the correct context, such as using in casual conversation. |
| Usage notes | Commonly used in everyday conversation and writing. Avoid using 'assume' in very formal contexts where more precise language is needed. | Used mostly in formal contexts such as finance or legal matters. Avoid using in casual conversation. |
See it in real clips
Frequently asked questions: Assume vs Incur
What's the difference between Assume and Incur?
Assume: To take something as true without proof. Incur: To cause something to happen to yourself, usually something bad like a cost or penalty.
Which is more common: Assume and Incur?
Assume is the most common in everyday English.
Which is more advanced: Assume and Incur?
Incur is the highest level, at C1, on the CEFR scale.
Are Assume and Incur the same CEFR level?
Assume: B2, Incur: C1 on the CEFR scale.
What part of speech are Assume and Incur?
Assume: verb, Incur: verb.
Can you show an example of each?
Assume: I assume you will be attending the meeting tomorrow. Incur: She had incurred the wrath of her father by marrying without his consent.
Can I use Assume and Incur interchangeably?
Not always. Assume and Incur 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.