What does unctuous mean?
Having a smooth, rich, and often insincerely flattering quality; excessively flattering or ingratiating. Used to describe something that is smooth and flattering, but often in a way that is considered insincere or overly flattering.
Example
"The politician's unctuous smile and words of praise made many people suspicious of his true intentions."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.