Adjective: insincere ,in-sin'seer
- Lacking sincerity
"a charming but thoroughly insincere woman"; "their praise was extravagant and insincere"
See also: artful, bootlicking [informal], buttery, counterfeit, dishonest, dishonorable [US], dishonourable [Brit, Cdn], disingenuous, dissimulative, false, fawning, feigned, fulsome, gilded, glossy, hypocritical, imitative, meretricious, obsequious, oily, oleaginous, plausible, sincerity, smarmy [informal], soapy, specious, sycophantic, toadyish, unctuous, unreal
Antonym: sincere
Encyclopedia: Insincere