You could only get hold of them, if at all, by scrounging more or less furtively on the ’free’ market.
But that was merely a piece of furtive knowledge which he happened to possess because his memory was not satisfactorily under control.
Mere debauchery did not matter very much, so long as it was furtive and joyless and only involved the women of a submerged and despised class.
The pen was an archaic instrument, seldom used even for signatures, and he had procured one, furtively and with some difficulty, simply because of a feeling that the beautiful creamy paper deserved to be written on with a real nib instead of being scratched with an ink-pencil.
There she had remained for a year, helping to produce booklets in sealed packets with titles like Spanking Stories or One Night in a Girls’ School, to be bought furtively by proletarian youths who were under the impression that they were buying something illegal.
There are no more uses of "furtive" in the book.
Show samples from other sources
She watched me in a furtive manner—trying to hide her interest.
Later she said she was just trying to figure out whose phone it was, but she looked around furtively before she began reading my text messages.