unctuously

/ˈʌŋktʃuəsli/
adverb
  1. In a way that is excessively or insincerely polite, flattering, or ingratiating.
    • The politician spoke unctuously about his opponent's record.
    • She smiled unctuously and offered to carry my bags.
    • He unctuously praised the manager's every decision.
Antonyms
What does "unctuously" mean? | whatsthatwordmean | whatsthatwordmean