unctuous

Adjective

• unpleasantly and excessively suave or ingratiating in manner or speech
  • buttery praise
    
  • gave him a fulsome introduction
    
  • an oily sycophantic press agent
    
  • oleaginous hypocrisy
    
  • smarmy self-importance
    
  • the unctuous Uriah Heep
    
  • soapy compliments
    

Related words

• Synonyms: 
  buttery , fulsome , oily , oleaginous , smarmy , soapy