What does unctuous mean?
Unctuous describes excessive flattery that feels insincere or calculated to win favor. It often characterizes praise, apologies, smiles, or manners that are overly ingratiating. The word carries a distinctly critical tone, suggesting that the apparent warmth or admiration is being used for self-interest or manipulation. Because it implies insincerity as well as excessive friendliness, it is stronger and more pointed than a simple word such as flattering. In older and literary usage, unctuous can also describe something oily or greasy, but that sense is rare today. The word comes from Latin, where it referred to grease or oil; its modern figurative sense developed from the idea of something oily or smoothly persuasive. Recognizing it is useful because it names a social behaviour that polite language can disguise.
adjectiveExcessively flattering or fawning in a way that suggests insincerity. In literary use, it can also mean oily or greasy.
- Excessively flattering, fawning, or insincerely attentive.
- Oily or greasy in a literal or literary sense.
"His unctuous praise made the interviewer seem unusually pleased."
"The salesperson's unctuous manner immediately made the customer suspicious."
"The old table had an unctuous surface, slick with grease."
Unctuous names the kind of praise that sounds generous while revealing more about the speaker's motives than the person being praised.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does unctuous come from?
Unctuous comes from Latin unctuosus, meaning greasy or oily, derived from unguere, to anoint or smear with oil. The same Latin root underlies English words such as unguent, unction, and anoint. Its English figurative sense of excessively flattering or insincerely smooth developed from the older association with oiliness and slickness.
Related word forms
How unctuous is actually used
Usually formal and strongly disapproving. In figurative use, it describes flattering behavior that seems calculated to gain favor rather than sincerely expressed. The older literal sense, meaning oily or greasy, is now uncommon.