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unctuous adjective

  /-tjʊəs/ , /ˈʌŋ(k)(t)ʃəs/ , /ˈʌŋ(k)(t)ʃəwəs/ , /ˈʌŋ(k)t͡ʃʊəs/
  • (of a liquid, semisolid, or other substance) Having the nature or properties of an unguent or ointment; greasy, oily.
untuoso, grasso
  • Profusely polite, especially in an insincere and unpleasant manner.
strisciante
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