[f. as prec. + -NESS.] The quality or state of being covert; secrecy.

1

1586.  A. Day, Eng. Secretary, II. (1625), 103. In respect of the covertnesse, safety and assurance in him reposed.

2

1730–6.  in Bailey (folio), Covertness, hiddenness.

3

1755.  in Johnson; and in later Dicts.

4