Entry 1 sense Webster, 1913 Double-tongued · Dou·ble-tongued · IPA 01 a. Making contrary declarations on the same subject; deceitful. 1. Making contrary declarations on the same subject; deceitful. “Likewise must the deacons be grave, not double-tongued.” — 1 Tim. iii. 8. Syn. deceitful, double-faced, hypocritical, Janus-faced, two-faced.