NSW Selective & Scholarship
Unctuous
adjective/unk-choo-us/
(of a person) excessively or ingratiatingly flattering; oily.
In contextHis unctuous compliments made her wary.
Remember it
From Latin for ointment — unctuous people are oily, slippery with greasy flattery.
Use it well
A cutting character word — use for insincere flatterers in narratives; stronger than 'fake'.