unique

Unique, perfectly unique, and yet why not?

But this is splendid, really unique from some points of view.

“An admirable and unique weapon,” said he, “noiseless and of tremendous power: I knew Von Herder, the blind German mechanic, who constructed it to the order of the late Professor Moriarty.

Meanwhile I pass on to the second on my list, which promised also at one time to be of national importance, and was marked by several incidents which give it a quite unique character.