Meaning of the word unctuous in English

What does unctuous mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

unctuous

US /ˈʌŋk.tʃu.əs/
UK /ˈʌŋk.tʃu.əs/

Adjective

1.

excessively or ingratiatingly flattering; oily

Example:
His unctuous manner made everyone uncomfortable.
The salesman's unctuous smile didn't fool anyone.
2.

having a greasy or oily feel or appearance

Example:
The soup had an unctuous texture, thick and rich.
The old machine was covered in an unctuous layer of grime.