Cool MateOnly vs Solely
When to use each in English, with meaning, register, and examples.
Only
Top 1,000 (very common)A1adjective
Solely
Top 3,000 (common)C1adverb
Most common: Only
| Only | Solely | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈəʊnli/"]/🇺🇸 /["/ˈəʊnli/"]/ | 🇬🇧 /["/ˈsəʊlli/"]/🇺🇸 /["/ˈsəʊlli/"]/ |
| Meaning | just one or a single type of something | Only; nothing else. |
| Example | She is the only person I trust. | She was motivated solely by self-interest. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 3,000 (common) |
| CEFR level | A1 | C1 |
| Part of speech | adjective | adverb |
| Collocations | only one, only child, only option, only when, only time | solely responsible, solely focused, solely for the purpose |
| Antonyms | multiple, various, some | jointly, together, collectively |
| Common mistakes | Using 'only' in the wrong position, changing the meaning., Confusing 'the only' with 'only'., Overusing 'only', leading to awkward sentences. | Using 'solely' when 'only' is more appropriate., Confusing 'solely' with 'solidly'., Placing 'solely' at the beginning of a sentence incorrectly. |
| Usage notes | Use 'only' to restrict meaning. It’s often used to clarify that nothing else is included. Avoid using it excessively, as it can sound limiting or exclusive. | Use 'solely' in formal or written contexts to emphasize exclusivity. Avoid in casual spoken language. |
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Frequently asked questions: Only vs Solely
What's the difference between Only and Solely?
Only: just one or a single type of something Solely: Only; nothing else.
Which is more common: Only and Solely?
Only is the most common in everyday English.
Which is more advanced: Only and Solely?
Solely is the highest level, at C1, on the CEFR scale.
Are Only and Solely the same CEFR level?
Only: A1, Solely: C1 on the CEFR scale.
What part of speech are Only and Solely?
Only: adjective, Solely: adverb.
Can you show an example of each?
Only: She is the only person I trust. Solely: She was motivated solely by self-interest.
Can I use Only and Solely interchangeably?
Not always. Only and Solely 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.