canny

If you're a canny investor, you know how to spend money to make money — that is, you're prudent, farsighted, and capable of protecting your own interests, particularly in matters of finance or business.

In contemporary usage, canny is a synonym for shrewd. Both words mean smart or sharp-witted, but they also suggest that someone is smart in a self-serving and possibly even tricky way. Canny is also related to the word cunning — another adjective meaning wise, but with negative connotations. Uncanny is not the opposite of canny — it means weird or unsettling.

Definitions of canny
1

adj showing self-interest and shrewdness in dealing with others

Synonyms:
cagey, cagy, clever
smart
showing mental alertness and calculation and resourcefulness

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