noun. The quality of being insidious; deceitfulness; treachery.

noun. A subtle and cumulative harmfulness, especially of a disease.

noun. the quality of being designed to entrap.

noun. A surreptitious harmfulness, quality of entrapment, or treacherousness; the characteristic of being insidious.

noun. subtle and cumulative harmfulness (especially of a disease)

noun. the quality of being designed to entrap

"And this part of the -- I think you used the word insidiousness of the piece, that they laid that down like a bed of lettuce under the big salmon to demonstrate that this was a longstanding, or at least to intimate that this is a longstanding pattern of behavior, which is not so."

harmfulness  injuriousness  perfidiousness  perfidy  treachery  

incendiarism  incitements  juggle  machination  plainsman  

deceit