Sentence examples for a cunning from inspiring English sources

The phrase "a cunning" is correct and usable in written English.
It can be used to describe someone or something that is clever, skillful, or deceitful in achieving goals, often in a sly or crafty manner.
Example: "The fox is often portrayed as a cunning creature in folklore, using its wits to outsmart its predators."
Alternatives: "a sly" or "a crafty".