Cool MateBy all means vs Surely
When to use each in English, with meaning, register, and examples.
By all means
Top 2,000 (common)
Surely
Top 2,000 (common)B1adverb
| By all means | Surely | |
|---|---|---|
| Pronunciation | 🇬🇧 //baɪ ɔːl miːnz//🇺🇸 //baɪ ɔl minz// | 🇬🇧 /["/ˈʃʊəli//ˈʃɔːli/"]/🇺🇸 /["/ˈʃʊrli/"]/ |
| Meaning | Of course; definitely. | certainly; without a doubt |
| Example | By all means, feel free to ask any questions. | Surely we should do something about it? |
| Register | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 2,000 (common) |
| CEFR level | - | B1 |
| Part of speech | adverb | |
| Collocations | by all means, yes, by all means, but by all means, consider by all means, allow by all means | surely believe, surely know, surely must |
| Antonyms | - | doubtfully, unsure |
| Common mistakes | Used in a negative context; it's always positive., Confused with 'by no means', which indicates the opposite., Used incorrectly as a question; it's a statement. | Confusing 'surely' with 'sure' — 'sure' can be an adjective., Using 'surely' as a response when a simple 'yes' would suffice., Omitting 'surely' in a sentence where it clarifies certainty. |
| Usage notes | Used to express strong agreement or permission. Appropriate in both formal and informal contexts. | Use 'surely' to express certainty. It’s appropriate in both spoken and written contexts but is more common in formal discussions. Avoid using it in very casual conversations where simpler words like 'definitely' might fit better. |
See it in real clips
Frequently asked questions: By all means vs Surely
What's the difference between By all means and Surely?
By all means: Of course; definitely. Surely: certainly; without a doubt
Can you show an example of each?
By all means: By all means, feel free to ask any questions. Surely: Surely we should do something about it?
Can I use By all means and Surely interchangeably?
Not always. By all means and Surely 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.