insincere
['bootlicking ', 'fawning ', 'obsequious ', 'sycophantic ', 'toadyish ', 'buttery ', 'fulsome ', 'oily ', 'oleaginous ', 'smarmy ', 'soapy ', 'unctuous ', 'dissembling ', 'dissimulating ', 'dissimulative ', 'false ', 'hollow ', 'feigned ', 'gilded ', 'meretricious ', 'specious ', 'hypocritical ', 'plausible ', 'counterfeit ', 'imitative ', 'dishonest ', 'dishonorable ', 'disingenuous ', 'artful ', 'false ', 'unreal ', 'sincere ']