a. [f. WINDOW sb. + -LESS.] Not having or furnished with windows.

1

1760–72.  H. Brooke, Fool of Qual. (1809), II. 125. Naked walls and windowless rooms.

2

1836.  Sterling, in Carlyle, Life, II. iv. One would think he had spent his whole life in the Younger Pliny’s windowless study.

3

1863.  Kinglake, Crimea, I. xiv. 249. The windowless vans which are used for the transport of felons.

4

1887.  Rider Haggard, Allan Quatermain, xvi. The moon … threw great … patches of light through the high windowless openings in the walls.

5

  Hence Windowlessness.

6

1917.  A. K. Cook, About Winchester Coll., 228. The comparative windowlessness, and the positive ugliness, of the back of School.

7