How to Say "one-of-a-kind" in Spanish
The Spanish word for “one-of-a-kind” is “único” — B1 level. This is a very common word in everyday Spanish.

Examples
Este artista tiene un estilo único.
This artist has a unique style.
La vista desde la cima de la montaña es única.
The view from the top of the mountain is unique.
Es una oportunidad única, no la dejes pasar.
It's a one-of-a-kind opportunity, don't let it pass you by.
Placement is Key: After the Noun = 'Unique'
To describe something as special or one-of-a-kind, 'único' goes after the thing it's describing. Think: un amigo único (a unique friend).
Mixing up the Meanings
Mistake: “Tengo un amigo único. (When you mean 'I have only one friend.')”
Correction: Say 'Tengo un único amigo' to mean you have only one. Saying 'Tengo un amigo único' means you have a friend who is a very special, one-of-a-kind person.
Related Translations
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