Adjective: double-faced 'dú-bul'feyst
- Marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another
"a double-faced infernal traitor and schemer";
- ambidextrous, deceitful, double-dealing, duplicitous, Janus-faced, two-faced, double-tongued
- (of fabrics) having faces on both sides
"damask is a double-faced fabric"
See also: dishonest, dishonorable [US], dishonourable [Brit, Cdn], reversible, two-sided