[ˈʌŋ(k)tjʊəs], (Adjective)

Definitions:
- excessively flattering or ingratiating; oily
(e.g: he seemed anxious to please but not in an unctuous way)

- (chiefly of minerals) having a greasy or soapy feel


Phrases:

Origin:
late Middle English (in the sense ‘greasy’): from medieval Latin unctuosus, from Latin unctus ‘anointing’, from unguere ‘anoint’