Meaning of “unique” in the English Dictionary

"unique" in English

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uk /juːˈniːk/ us /juːˈniːk/

B2 being the only existing one of its type or, more generally, unusual, or special in some way:

Each person's genetic code is unique except in the case of identical twins.
I'd recognize your handwriting anywhere - it's unique.
Do not miss this unique opportunity to buy all six pans at half the recommended price.
As many as 100 species of fish, some unique to (= only found in) these waters, may have been affected by the pollution.

More examples

adverb uk /juːˈniː us /juːˈniː

He's uniquely qualified to run this agency.
noun [ U ] uk /juːˈniːk.nəs/ us /juːˈniːk.nəs/

(Definition of “unique” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"unique" in American English

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us /jʊˈnik/

being the only existing one of its type or, more generally, unusual or special in some way:

Each person’s DNA is unique.
adverb us /jʊˈni·kli/

He's uniquely qualified to run this agency.
noun [ U ] /jʊˈnik·nəs/

(Definition of “unique” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"unique" in Business English

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uk /juːˈniːk/ us

something that is unique is unusual or the only one of its type:

Fast-growing companies are in a unique position to attract the best candidates.
Over the past 15 years, she has made a unique contribution to the country's business environment.
a unique opportunity/set of circumstances

a unique problem, challenge, etc. is difficult to deal with because it has never happened before:

The recent financial crisis has posed some unique challenges for governments.

if something is unique to a place or situation, it only exists in that place or situation:

Many of our problems are unique to our profession.

(Definition of “unique” from the Cambridge Business English Dictionary © Cambridge University Press)

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The sports sector is organised in its own unique way and national federations and unions still play a key role in this.
Hence as a result of deliberate policies an entire people with its unique culture and identity are facing the threat of extinction.
Lastly, how can the unique and original dimension nature of the ultra-peripheral regions be translated into concrete measures in the next programming period?
They have a unique and historic opportunity.
Because no one has been able to demonstrate a direct and unique link between industrial protection and the success of generic products.
You were already unique.
Enlargement is a unique event, it is the only instance in the world of countries whose economic situations differ widely being brought together.
The changeover to the euro is a unique event in economic history for which there is no precedent in terms of magnitude.
Another important subject is the use of human capital, of the unique historical and social experience acquired by the people of the candidate countries, to enrich the future integration process.
We have many strengths to build on, not least our unique status as the largest elected representative assembly on our continent.