Bible Dictionaries
Unctuous

Webster's Dictionary

(1):

(a.) Bland; suave; also, tender; fervid; as, an unctuous speech; sometimes, insincerely suave or fervid.

(2):

(a.) Of the nature or quality of an unguent or ointment; fatty; oily; greasy.

(3):

(a.) Having a smooth, greasy feel, as certain minerals.

Bibliography Information
Webster, Noah. Entry for 'Unctuous'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​u/unctuous.html. 1828.