| doubting(cautious, suspicious, wary, watchful) |
| duplicitous |
| elusory |
| enigmatic(mysterious, private, reticent, taciturn, covert) |
| false |
| farsighted(adjective, smooth, keen, sharp, smart) |
| fast on the draw(expression, idiom, sharp, bright, lively) |
| frugal(smart, shrewd, clever, suspicious, wary) |
| good hands(expression, sharp, bright, lively, active) |
| greasy(cunning, vague, deceitful, subtle, ambiguous) |
| having fancy footwork(expression, idiom, smart, clever, subtle) |
| having foresight(expression, cautious, tactful, circumspect) |
| heads up(expression, sharp, bright, lively, active) |
| hep(smart, shrewd, clever, subtle, artful) |
| hip(smooth, sharp, smart, bright, lively) |
| hushed(mysterious, private, reticent, taciturn, covert) |
| illusory(mean, smooth, cunning, vague, subtle) |
| in chambers(expression, mysterious, private, reticent, taciturn) |
| in privacy(expression, mysterious, private, reticent, taciturn) |
| in private(expression, mysterious, private, reticent, taciturn) |