Unctuously
Part of speech: adverb
Definition: Insincerely and excessively charming
Fulsomely
Part of speech: adverb
Definition: In a fulsome manner
Unctuously as an adverb is insincerely and excessively charming while Fulsomely as an adverb is in a fulsome manner
Part of speech: adverb
Definition: Insincerely and excessively charming
Part of speech: adverb
Definition: In a fulsome manner
We hope you now know whether to use Unctuously or Fulsomely in your sentence.