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Definitions
The quality of being dangerous, unreliable, or likely to betray.
Word origin
From treacherous + -ness.
Used in a sentence
“He had an aggressive treacherousness of eye which his potations had not subdued.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
No curated clues for treacherousness yet.