Synonym: buttery, fulsome, oily, oleaginous, smarmy, soapy. Similar words: virtuous, sumptuous, voluptuous, tempestuous, contemptuous, presumptuous, contemptuously, punctilious. Meaning: ['ʌŋktʃʊəs] 
adj. unpleasantly and excessively suave or ingratiating in manner or speech.
adj. unpleasantly and excessively suave or ingratiating in manner or speech. 
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1. He made an unctuous assurance.
2. He speaks in unctuous tones.
3. Dave is genuinely friendly without being unctuous.
3. Sentencedict.com is a sentence dictionary, on which you can find nice sentences for a large number of words.
4. He is aggressive towards me and unctuous towards David.
5. The fat man loudly prattled unctuous apologies.
6. More subtly there is the unctuous sadism of money and of social rank.
7. Rather, it was a way of rejecting unctuous, masochistic denial - which might narrow his perspectives.
8. Unctuous but vivacious in the mouth.
9. He was most unctuous and pleading.
10. It was unctuous, false, and unwholesome, like the man.
11. Her unctuous tones are disgusting.
12. Unctuous. Term applied to wines which are smooth, soft and full on the palate.
13. Unctuous ripe red fruit aromas intermingle with hints of freshly ground coffee beans and mocha.
14. Palate Unctuous and dense, with the pear , floral and orange flavours riding a keen acidity.
15. Sauternes are often delicious, golden, unctuous and delicate. The famous roasted note comes when Sauternes is a little bit older.
16. Far from being unctuous Pat was always loath to appear acquiescent.
17. Goose fat gives the most unctuous flavour but you can use chicken fat.
18. An unctuous clergyman who had not known Sam intoned religious platitudes.
19. Out of that situation came his humorous movements and asides, always in a distinctive, unctuous, throwaway voice.
20. Beyond that, it promises to provide a weekly primer on dopey and unctuous behavior among upscale hillbillies who dress well.
21. He seemed anxious to please, but not in an unctuous way.
22. General Pecken roused himself after a moment with an unctuous and benignant smile.
23. Flavors of plum compote, spice, green tea, and cocoa are the introduction to this wine as velvety, unctuous tannins blend with a juicy, naturally balanced mid-palate of complex structure.
More similar words: virtuous, sumptuous, voluptuous, tempestuous, contemptuous, presumptuous, contemptuously, punctilious, tincture, defunct, adjunct, function, functional, compunction, and function, functionary, malfunction, dysfunction, conjunction, tenuous, arduous, innocuous, ingenuous, superfluous, assiduous, ambiguous, sensuously, incongruous, continuous, promiscuous.