Treacherous - Definition
treacherous
adj 1: dangerously unstable and unpredictable; "treacherous
winding roads"; "an unreliable trestle" [syn:
treacherous, unreliable]
2: tending to betray; especially having a treacherous character
as attributed to the Carthaginians by the Romans; "Punic
faith"; "the perfidious Judas"; "the fiercest and most
treacherous of foes"; "treacherous intrigues" [syn: punic,
perfidious, treacherous]