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likely to betray trust; unreliable; marked by hidden dangers, hazards, or perils
A word overused by nearly every television and radio news-anchor to describe conditions of every flat surface during cold-weather situations.
"Authorities called the road conditions 'treacherous' Wednesday evening and are asking residents to stay home and not drive if they can avoid it."
by PhantomV48 January 19, 2010
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1. betraying or likely to betray faith or confidence. 2. unstable, unreliable, or dangerous. 3. guilty of or involving betrayal or deception, 4.capable of convincing other love interests or fuckbuddys that a former beau is guilty of saying and doing anything she likes that will cause them to be beaten constantly and socially outcast without any proof or remorse: treacherous weather, treacherous ground, treacherous woman, treacherous slut, treacherous cunt.... unstable unreliable,dangerous,fuckbuddys,cunt.
That treacherous slut has fucked me over by sleeping with whoever will flog the piss out of me just for kicks. fucked flog kicks.
by dazzadahoff May 06, 2018
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meaning something is amazing or great
yo did you hear that new Talib Kweli cd? that joint was treacherous
by gspizot February 20, 2003
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