duplicity
/duːˈplɪsɪti/
noun
- Deceitfulness; the quality of being two-faced or dishonest about one's intentions.
- The company's duplicity was exposed when it claimed to support fair trade while using child labor.
- Historians uncovered the duplicity of the diplomat, who had been feeding secrets to both sides during the negotiations.
- She could no longer tolerate her partner's duplicity and ended the relationship.