The wonderful is only the half-developed, unperfected miracle.
It contained liberal provisions relative to Spanish grants and unperfected titles.
It's an unperfected invention as yet; we might want to put some more stuff in there for our own private use.
The perfect is the completed, the perfected; the imperfect, the uncompleted, the unperfected.
In Australia is prevalent a horrible disease due to an "unperfected tapeworm."
Mr. Macauley's literary attainments are very considerable, but as yet unperfected.
An experiment with an unperfected machine, in the presence of the writer, seemed to justify their hopes.
The Faery Queen is the work of an unformed literature, the product of an unperfected art.