the GNU version of the Collaborative International Dictionary of English
adj. Having no roof.
adj. Having no house or home; shelterless; homeless.
The Century Dictionary and Cyclopedia
Having no roof: as, a roofless house.
Having no house or home; unsheltered.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. not having a roof
adj. physically or spiritually homeless or deprived of security
Word Usage
"He could see, fading away into the blue distance, lines of open structures which he could only describe as roofless-and largely wall-less - buildings."