Definitions
1.verbTo deviate, transgress; to go astray (from).
2.verbTo shift or turn from direct speech or behaviour; to evade the truth; to waffle or be (intentionally) ambiguous."The people saw the politician prevaricate every day."
3.verbTo collude, as where an informer colludes with the defendant, and makes a sham prosecution.
4.verbTo undertake something falsely and deceitfully, with the purpose of defeating or destroying it.