Related Clues:
- Harder to nail down
- More smart
- With a higher IQ?
- Superior at conniving
- Quicker on the uptake
- More likely to deceive
- Black Prince with more up top
- Nearly all those in 8 down from Ireland writing to someone making the most sense
- More diabolically foxy
- Better with trickery
- Adjective in a recent game-show title
- More shifty and underhanded
- Comparatively bright
- More apt to sneak around
- Less trustworthy