only 1 use
- It was Sunday, and the whole time between morning and afternoon service was required by the general in exercise abroad or eating cold meat at home; and great as was Catherine's curiosity, her courage was not equal to a wish of exploring them after dinner, either by the fading light of the sky between six and seven o'clock, or by the yet more partial though stronger illumination of a treacherous lamp.Chapter 24 (3% in)
There are no more uses of "treacherous" in Northanger Abbey.
Typical Usage
(best examples)