Definition of Clever

Adjective: clever (cleverer,cleverest) kle-vu(r)

Mentally quick and resourceful
"you are a clever man...you reason well and your wit is bold";
- apt
Showing self-interest and shrewdness in dealing with others
"too clever to be sound";
- cagey, cagy, canny
Showing inventiveness and skill
"a clever gadget";
- cunning, ingenious