being the only one of its kind; having nothing else exactly like it
The museum displayed a unique diamond that cannot be found anywhere else in the world.
Each snowflake is unique, so no two are exactly alike.
✦ Mid-17th century, from French ‘unique’, from Latin ‘unicus’ meaning ‘only, single’.
unusual in a special, interesting, or appealing way
Her birthday party had a unique theme inspired by outer space.
My grandmother has a unique way of telling stories that keeps everyone listening.
✦ See primary sense etymology.
