lurkingly

adv

Etymology: From lurking + -ly.

1. So as to lurk; in sinister concealment.

   “[…] when the Feat of the Loose-Coat Skirmish happeneth to be done under-hand and privily, between two well-disposed, athwart the Steps of a Pair of Stairs, lurkingly, and in covert, behind a Suit of Hangings, or close hid and trussed upon an unbound Faggot, it is more pleasing to the Cyprian Goddess […] than to perform that Culbusting Art, after the Cynick manner, in the view of the clear Sunshine, or in a rich Tent, under a precious stately Canopy […]”

   “1872, The Law Magazine and Review, New Series, Vol. I, London: Butterworths, p. 819, https://books.google.ca/books?id=KlhNAQAAMAAJ&printsec=frontcover#v=onepage&q&f=false Either openly obscene, and barely, but at the same time ingeniously, escaping the clutches of the law; or lurkingly depraved, or ridiculously sentimental and unreal, there is often enough in any one of the papers we now refer to to corrupt the youth of a generation, and to sap all manly and womanly virtues.”