176072. H. Brooke, Fool of Qual. (1809), II. 125. Naked walls and windowless rooms.
1836. Sterling, in Carlyle, Life, II. iv. One would think he had spent his whole life in the Younger Plinys windowless study.
1863. Kinglake, Crimea, I. xiv. 249. The windowless vans which are used for the transport of felons.
1887. Rider Haggard, Allan Quatermain, xvi. The moon threw great patches of light through the high windowless openings in the walls.
Hence Windowlessness.
1917. A. K. Cook, About Winchester Coll., 228. The comparative windowlessness, and the positive ugliness, of the back of School.