"They do, but the monster is extremely cunning about locks, and can stun guards."

Either Flasher was innocent - or he had worked out an extremely cunning alibi!

The Champawat Tiger was extremely cunning, as man-eaters usually are.

You see now how extremely cunning the author could be.

Indeed, Fabian believed Potter to be a "man of considerable strength" and an "extremely cunning individual".

He's actually very charming when he wants to be, and he's extremely cunning.

A charming sociopath, Keller is extremely cunning and adept at manipulation.

Although she does not know any martial arts, she is versed in medicine and extremely cunning.

All versions portray Skeletor as being extremely cunning and intelligent.

The boni have just struck, Caesar, and extremely cunning they have been.