insidiousness

English

Etymology

From insidious +‎ -ness.

Noun

insidiousness (usually uncountable, plural insidiousnesses)

1. A surreptitious harmfulness, quality of entrapment, or treacherousness; the characteristic of being insidious.
   • 1900, Edith Wharton, chapter 8, in The Touchstone:

     This lent a new insidiousness to his temptation, since her contempt would be a refuge from his own.

Translations

the characteristic of being insidious

• Bulgarian: коварство (bg) (kovarstvo)

References

• insidiousness in An American Dictionary of the English Language, by Noah Webster, 1828.
• “insidiousness”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.