from The Century Dictionary and Cyclopedia
- Not furnished; not supplied with furnishings or furniture of any kind; unsupplied; unequipped: as, an unfurnished house.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. not equipped with what is needed especially furniture
Existing in the original sense of “unequipped, unprepared” since 1541, with the later sense of “lacking furniture” attested since 1581: from un- ("not") + furnished, past participle of furnish ("supply, equip (especially with furniture)"). (Wiktionary)