to speak falsely or misleadingly; deliberately misstate or create an incorrect impression; lie.
Origin: 1575–85; < Latin praevāricātus, past participle of praevāricārī to straddle something, (of an advocate) collude with an opponent's advocate, equivalent to prae-pre- + vāricāre to straddle, derivative of vārus bent outwards, bow-legged
1580s, "to transgress," from L. praevaricari "to make a sham accusation, deviate," lit. "walk crookedly;" in Church L., "to transgress" (see prevarication). Meaning "to speak evasively" is from 1630s.