ppl. a. (UN-1 10.)

1

1719.  Waterland, Vind. Christ’s Div., 158. The perfect Nativity … of the Word: who had been, as it were, quiescent or unoperating from all Eternity, till [etc.].

2

1768–74.  Tucker, Lt. Nat. (1834), I. 507. Neither is it practicable … for us to frame an idea of such unoperating nature.

3