Definitions
Dangerous, unreliable, or likely to betray.
Word origin
From Old French trecheros, tricheros (“deceitful”), equivalent to treacher + -ous. See treacher.
Used in a sentence
“I see the wife misused by her husband, I see the treacherous seducer of young women, / I mark the ranklings of jealousy and unrequited love attempted to be hid […]”
“a treacherous mountain trail”
“Work on the muskeg resulted in the formation in the first instance, and later in lengths of newly-laid track disappearing without trace into the treacherous bog.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“False-hearted”11 letters
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