ppl. a. [UN-1 8. Cf. Du. ongeboekt, G. ungebucht.] a. Not entered, registered, or recorded in a book. b. Not booklearned.
Also, in recent use, not pre-engaged by booking.
1586. Hooker, Hist. Irel., in Holinshed, II. 140/1. If any of them were found vnbooked and not registered, that he should be used as a fellon where so euer he was taken.
1859. Masson, Brit. Novelists, iv. 220. There are rich fields of yet unbooked English life both in northern and in southern England.
1870. Lowell, Study Wind., 139. From the unbooked freshness of the Scottish peasant to the most far-sought phrase of literary curiosity.