Answer: slyness

AnswerCrossword Clue
SLYNESSDuplicity
SLYNESSA trait of Becky Sharp's.
SLYNESSReynard's forte.
SLYNESSSecret humor.
SLYNESSFox's forte
SLYNESSVulpine trait
SLYNESSReynard's quality
SLYNESSWile
SLYNESSFox's trait
SLYNESSCunning.
SLYNESSTrickery
SLYNESSStallone's quality?
SLYNESSFoxy trait?
slynessinsidious; furtive
slynessplayfully mischievous; roguish
slynesscrafty; artful
slynessthe state of being sly (crafty (skillful in deceiving))
SLYNESSFox's quality
SLYNESSCunning
SLYNESSArtful quality
SLYNESSGuile
SLYNESSArtifice
SLYNESSFoxy quality
SLYNESSWile that fails Wile E.
SLYNESSFoxy attribute
SLYNESSFoxy trait
SLYNESSCraft
SLYNESSArt
SLYNESSCrafty quality
SLYNESSArch quality
SLYNESSCunning quality
SLYNESSReynard's hallmark
SLYNESSUnderhanded nature
SLYNESSUnderhandedness.