a. (UN-1 7 b.)

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1714.  Welsh Monster, 26. In a wild Corner of the World,… Worthless, untillable, and barren.

2

1791.  Cowper, Iliad, I. 398. On the shore … Of the untillable and barren deep.

3

1812.  Brackenridge, Views Louisiana (1814), 27. An extensive region of open plains and meadows, interspersed with bare untillable hills.

4

1889.  Times, 20 April, 5/1. A considerable portion of the district being untillable.

5