The Collaborative International Dictionary of English v.0.48:
Unpaved \Un*paved"\, a. 1. Not paved; not furnished with a pavement. --Hakewill. [1913 Webster] 2. Castrated. [Obs.] "Unpaved eunuch." --Shak. [1913 Webster]WordNet (r) 3.0 (2006):
unpaved adj 1: not having a paved surface [ant: paved]