Something beyond compare; a thing with which there is no comparison.
Not able to be compared.
So much better than another as to be beyond comparison; matchless or unsurpassed.
A designation of being incomplete.
A multipart file posted to Usenet that is incomplete and thus unusable.
A multiplayer game that is abandoned because one player disconnects.
Not complete; not finished
Of a flower, wanting any of the usual floral organs.