Exclusively vs Solely vs There is only one

When to use each in English, with meaning, register, and examples.

Exclusively

FormalTop 3,000 (common)C1adverb

Solely

Top 3,000 (common)C1adverb

There is only one

Top 2,000 (common)
Most formal: ExclusivelyMost common: There is only one
 ExclusivelySolelyThere is only one
Pronunciation🇬🇧 /["/ɪkˈskluːsɪvli/"]/🇺🇸 /["/ɪkˈskluːsɪvli/"]/🇬🇧 /["/ˈsəʊlli/"]/🇺🇸 /["/ˈsəʊlli/"]/🇬🇧 //ðeəɹ ɪz ˈoʊnli wʌn//🇺🇸 //ðɛr ɪz ˈoʊnli wʌn//
MeaningOnly for one group or purpose.Only; nothing else.It means there is just one thing or person.
ExampleThe resort caters almost exclusively for a high-society public.She was motivated solely by self-interest.In the collection, there is only one rare coin.
RegisterFormalNeutralNeutral
How commonTop 3,000 (common)Top 3,000 (common)Top 2,000 (common)
CEFR levelC1C1-
Part of speechadverbadverb
Collocationsexclusively for, exclusively available, exclusively focusedsolely responsible, solely focused, solely for the purposethere is only one answer, there is only one solution, there is only one way
Antonymsinclusively, generallyjointly, together, collectively-
Common mistakesUsed 'exclusively' when describing multiple groups instead of just one., Confused with 'exclusionary', which refers to limiting access., Misused in informal contexts where simpler language is preferred.Using 'solely' when 'only' is more appropriate., Confusing 'solely' with 'solidly'., Placing 'solely' at the beginning of a sentence incorrectly.Using it in places where plural items are referred., Adding unnecessary words that confuse the meaning.
Usage notesUsed in formal contexts to emphasize that something is limited to one type or group. It may not be suitable in casual conversations where simpler words like 'only' suffice.Use 'solely' in formal or written contexts to emphasize exclusivity. Avoid in casual spoken language.Use this phrase to emphasize the uniqueness of something. It is appropriate in formal and informal settings but should be avoided in overly technical discussions.

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Solely
There is only one

Frequently asked questions: Exclusively vs Solely vs There is only one

What's the difference between Exclusively, Solely, and There is only one?

Exclusively: Only for one group or purpose. Solely: Only; nothing else. There is only one: It means there is just one thing or person.

Which is more formal: Exclusively, Solely, and There is only one?

Exclusively is the most formal of these.

Which is more common: Exclusively, Solely, and There is only one?

There is only one is the most common in everyday English.

Can you show an example of each?

Exclusively: The resort caters almost exclusively for a high-society public. Solely: She was motivated solely by self-interest. There is only one: In the collection, there is only one rare coin.

Can I use Exclusively, Solely, and There is only one interchangeably?

Not always. Exclusively, Solely, and There is only one 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.

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