What is another word for unctuously?
Pronunciation: [ʌnkt͡ʃˈuːa͡ʊzli] (IPA) 
Unctuously is an adverb that means smooth and excessively flattering or ingratiating in an insincere way. There are several alternatives to unctuously that you can use to communicate this same meaning effectively. Some synonyms include smoothly, slickly, sycophantically, ingratiatingly, obsequiously, fawningly, servilely, insincerely, and disingenuously. Each of these words has its own nuances, but all describe someone who tries too hard to be liked or approved of and comes across as false or insincere. Remember to use the appropriate synonym depending on the context and tone you want to convey.
