1. cagey, cagy, canny, clever -- (showing self-interest and shrewdness in dealing with others; "a cagey lawyer"; "too clever to be sound")
1.
It's no canny to run frae London to the Black Sea wi' a wind ahint ye, as though the Deil himself were blawin' on yer sail for his ain purpose. - from Dracula by Bram Stoker