DictionaryunctuousInsincere flattery
adjective

unctuous

UNGK-choo-us/ˈʌŋktʃuəs/

Excessively flattering in a smug or insincere way.

The unctuous employee flatters the manager with an ingratiating smile.

An obsequious employee leans toward a manager with an exaggerated ingratiating smile and clasped hands while manager looks skeptical; smug insincere flattery, no writing.
Etymology

A greasy or anointing quality became a figurative smoothness in overly flattering behavior.

More examples

  • His unctuous praise makes her suspicious.
  • She dislikes the unctuous sales pitch.

Forms

unctuous

Similar words

sycophantic
Flattering a powerful person to gain advantage.
smarmy
Informally describes an offensively ingratiating manner.