characterized by excessive piousness or moralistic fervor, esp. in an affected manner; excessively smooth, suave, or smug.

of the nature of or characteristic of an unguent or ointment; oily; greasy.

having an oily or soapy feel, as certain minerals.

adjective

fulsome , oily , oleaginous , sleek , smarmy , adipose , fat , greasy , fatty , rich , slippery , soapy , soft , suave