| shrewd(adjective, smooth, keen, sharp, smart) |
| canny(adjective, smooth, keen, sharp, smart) |
| smart(adjective, smooth, keen, sharp, intelligent) |
| cunning(adjective, smooth, keen, sharp, smart) |
| knowing(adjective, smooth, keen, sharp, smart) |
| slick(adjective, smooth, keen, sharp, smart) |
| astute(adjective, smooth, keen, sharp, smart) |
| clever(adjective, smooth, keen, sharp, smart) |
| crafty(adjective, smooth, keen, sharp, smart) |
| foxy(adjective, smooth, keen, sharp, smart) |
| intelligent(adjective, smooth, keen, sharp, smart) |
| sharp(adjective, smooth, keen, smart, intelligent) |
| tricky(adjective, smooth, sharp, smart, intelligent) |
| wily(adjective, smooth, sharp, intelligent, clever) |
| artful(adjective, smooth, sharp, smart, intelligent) |
| cagey(adjective, smooth, keen, sharp, smart) |
| deceitful(adjective, cunning, crafty, devious) |
| keen(adjective, smooth, sharp, smart, intelligent) |
| smooth(keen, sharp, smart, intelligent, cunning) |
| acute(adjective, smooth, keen, sharp, smart) |