openness:
dishonesty,
artifice,
falsehood,
deception,
lying.
noun:
reticence,
circuitousness,
diplomacy,
evasiveness,
lie,
falsity,
falseness,
guile,
fabrication,
imposture,
indirection,
untruth,
mendacity,
fiction,
deceit,
delusion,
duplicity,
error,
tact.