Unique: being the only existing one of its type or, more generally, unusual, or special in some way https://dictionary.cambridge.org/dictionary/english/unique

Unique: being the only existing one of its type or, more generally, unusual, or special in some way https://dictionary.cambridge.org/dictionary/english/unique https://dictionary.cambridge.org/dictionary/english/unique I think it depends on the context, but it does not seem an incorrect usage.