Associations to the word «Insidiousness»
Wiktionary
INSIDIOUSNESS, noun. A surreptitious harmfulness, quality of entrapment, or treacherousness; the characteristic of being insidious.
Dictionary definition
INSIDIOUSNESS, noun. Subtle and cumulative harmfulness (especially of a disease).
INSIDIOUSNESS, noun. The quality of being designed to entrap.
Wise words
All our words from loose using have lost their edge.