What is "astucious"

Usage examples of "astucious".

It may be added that, as being himself a blunt and downright Englishman, unaccustomed to conceal the slightest movement either of love or of dislike, he accounted the fair-spoken courtesy which the Scots had learned, either from imitation of their frequent allies, the French, or which might have arisen from their own proud and reserved character, as a false and astucious mark of the most dangerous designs against their neighbours, over whom he believed, with genuine English confidence, they could, by fair manhood, never obtain any advantage.