unctuous

1 not being or expressing what one appears to be or express an unctuous effort to appear religious to the voters Synonyms artificial, backhanded, counterfeit, double, double-dealing, double-faced, fake, feigned, hypocritical, Janus-faced, jive [slang], left-handed, lip, mealy, mealymouthed, Pecksniffian, phony (also phoney), phony-baloney (or phoney-baloney), pretended, two-faced, insincereRelated Words affected, assumed, claptrap, contrived, forced, mechanical, put-on, simulated, strained, unnatural; empty, hollow, meaningless; deceitful, devious, dishonest, false, untruthful; facile, glib, superficial; bogus, sham; campy, facetious, jocular, tongue-in-cheek; canting, pharisaical, pious, sanctimonious, self-righteous, simon-pureNear Antonyms direct, forthright, frank, heart-to-heart, open, plain, straightforwardAntonyms artless, candid, genuine, heartfelt, honest, sincere, undesigning, unfeigned

2 overly or insincerely flattering an unctuous appraisal of the musical talent shown by the boss's daughter Synonyms adulatory, gushing, gushy, hagiographic (also hagiographical), oily, oleaginous, soapy, fulsomeRelated Words drooling, slavering, slobbering; cloying, sickening; demonstrative, effusive, mushy, uninhibited, unreserved, unrestrained; artificial, backhanded, feigned, hypocritical, insincere, left-handed, mealymouthed, sanctimonious, two-faced; disarming, endearing, ingratiating, winning, winsome; extravagant, lavish, unrestrained; abundant, copious, profuseNear Antonyms artless, earnest, genuine, heartfelt, honest, ingenuous, sincere, true, unaffected, unfeigned, unpretending, unpretentious