He is a one-of-a-kind presence.
This shop carries unique, one-off items.
noun which may take the genitive case particle 'no'
Used to describe something as the highest or most excellent in its category, often in a superlative sense.
He is the best player on the team.
noun which may take the genitive case particle 'no'
Refers to something made specifically for one person or purpose, emphasizing exclusivity.
I had a custom-made suit tailored.