lurkingly

Adverb

lurkingly (comparative more lurkingly, superlative most lurkingly)

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...1653, François Rabelais, chapter XVIII, in Thomas Urquhart, transl., Gargantua and Pantagruel, volume II, London: David Nutt, published 1900, page 99
   • 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...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