prevaricade Share definition Flag A barrier or wall of lies meant to impede or stop someone from finding out the truth; from the words prevaricate and barrier. Without any help, I was unable to pierce the dictator's prevaricade. prevaricade by HydraCerebus February 21, 2006 0 0 Get merch Get the prevaricade mug. Buy Now — $32.95 See more merch