The state or characteristic of being unctuous.(noun)
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Use "unctuousness" in a sentence
"I make this with leftover oxtail because its unctuousness is well-suited for ravioli."
"Praising moderators is the lowest and most vile form of unctuousness on the planet."
"He publicly excoriated the film director Zhang Yimou (Raise the Red Lantern, House of Flying Daggers) and the artist Cai Guo Qiang (the man whose firework dragon failed to ignite on the Thames at the millennium) for creating the opening ceremony, which he termed "a visual crap-pile of phony affection and hypocritical unctuousness . . . an encyclopedia of spiritual subjugation"."