- - Wilier
- - Ace rig (anag) — less frank
- - More circumspect
- - Cannier, more secretive
- - Showing more craft
- - More evasive with the truth
- - Displaying more craft
- - Less likely to reveal too much
- - Smarter, streetwise
- - More sly
- - More foresighted
- - Trickier: Slang.
- - More cautious: Colloq.
- - Shrewder.
- - Comparatively shrewd
- - More secretive
- - Not as trusting
- - Harder to outwit
- - More conniving
- - Not as straight
- - More crafty
- - More cunning
- - More shrewd
- - More wily
- - Craftier.
- - More cautious
- - More guarded
- - More wary
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