Was annoyed by the unctuous waiter.
An example of unctuous is how a slug feels.
An example of unctuous is a self-absorbed politician.
An example of unctuous is good garden dirt.
Origin of unctuous
- Middle English from Old French unctueus from Medieval Latin ūnctuōsus from Latin ūnctum ointment from neuter past participle of unguere to anoint
From American Heritage Dictionary of the English Language, 5th Edition
- From Medieval Latin unctuÅsus (“oily"), from Latin unguere, ungere (“to anoint").