Definition of cunning in the Definitions.net dictionary. Meaning of cunning . What does cunning mean ? Information and translations of cunning in the most comprehensive dictionary definitions resource on the web. cunning meaning , definition , what is cunning : someone who is cunning is clever and goo...: Learn more. Cunning means having the ability to achieve things in a clever way, often by deceiving other people. Learn more about its synonyms, usage, pronunciation, and origin from Collins English Dictionary. CUNNING meaning : 1. Cunning people are clever at planning something so that they get what they want, especially by…. Learn more.