common variant of unctuous c.1600-1725.
Examples from the Web for unctious
For a while there lingered about him the air of unctious submission that had revolted Anna.Erik Dorn|Ben Hecht
She had half closed her eyes, and her lips gave an unctious little relish to the words.The Prisoner|Alice Brown
It is an unctious, sticky deposit, and only requires pressure to knead it into a tenacious clay.The Chautauquan, Vol. III, January 1883|The Chautauquan Literary and Scientific Circle
It is this sordid cause and the unctious hypocrisy which makes this crime unparalleled in its horror.The Crime of the Congo|Sir Arthur Conan Doyle
Anderson had not asked him to do it, and felt a dull resentment of the man's officiousness, and the unctious length of his prayer.Lady Merton, Colonist|Mrs. Humphry Ward