What is "double-tongued"

Double-tongued \Dou"ble-tongued`\, a. Making contrary declarations on the same subject; deceitful.

Syn: deceitful, double-faced, hypocritical, Janus-faced, two-faced.

Likewise must the deacons be grave, not double-tongued.
--1 Tim. iii. 8.

a. (context idiomatic English) Saying one thing to one person and something different to another; double talking; deceitful in speech.

adj. marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another; "she was a deceitful scheming little thing"- Israel Zangwill; "a double-dealing double agent"; "a double-faced infernal traitor and schemer"- W.M.Thackeray [syn: ambidextrous, deceitful, double-dealing, duplicitous, Janus-faced, two-faced, double-faced]