sneakish

sneakish

(ˈsniːkɪʃ)
adj
(of a person or action) somewhat or rather sneaky
References in classic literature ?
I managed to save Michael from the worst, but we had to send that perfectly innocent man to penal servitude for a crime we know he never committed, and it was only afterward that we could connive in a sneakish way at his escape.
I have been asked my views by a correspondent who says he hopes professionals are not going to stoop so low as to spoil the fair name of football in this sneakish manner," he exclaimed.
Grant, Mark Twain--I think I'll go to sleep and suddenly in my deepest inadequancy nightmares wake up haunted and see everyone in the world as unconsolable orphans yelling and screaming on every side to make arrangements for making a living yet all bespattered and gloomed-up in the nightsoil of poor body and soul all present and accounted for as some sneakish, crafty gift, and all so lonered.