double tongued
/ˈdʌbəl ˌtʌŋd/
adjective
- Saying different things to different people in order to deceive; not honest or sincere.
- The double-tongued politician promised one thing to the voters and another to the donors.
- Her double-tongued remarks made everyone confused about her real intentions.
- I don't trust him; he's double-tongued and always changes his story.