treacherousness

English

Etymology

From treacherous +‎ -ness.

Noun

treacherousness (uncountable)

1. Treachery; the characteristic of being treacherous.
   • 1901, Bret Harte, “Under the Eaves”, in Under the Redwoods:

     He had an aggressive treacherousness of eye which his potations had not subdued.

References

• Noah Webster (1828) “treacherousness”, in An American Dictionary of the English Language: […], volume II (J–Z), New York, N.Y.: […] S. Converse; printed by Hezekiah Howe […], →OCLC.
• “treacherousness”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.