One-of-a-kind (adjective)

Unique, without an equal or counterpart.

Origin:

The phrase 'one-of-a-kind' is derived from the combination of the words 'one' and 'of-a-kind', meaning unique and without any equal.

Examples:

1. The one-of-a-kind painting was worth millions due to its rare beauty.
2. The one-of-a-kind sculpture was unlike any other seen before.
3. The one-of-a-kind watch was a valuable collector's item.
4. The one-of-a-kind car was designed and built by a renowned engineer.
5. The one-of-a-kind jewelry was passed down through generations and was treasured by the family.