oleaginous
(o-le-ag-i-nous)
5 syllables
Definition
adjective. 1 unpleasantly and excessively suave or ingratiating in manner or speech; 2 containing an unusual amount of grease or oil
Example Sentence
The man greeted his guests with an oleaginous welcome that embarrased his wife.
Synonyms
buttery; oily; unctuous; insincere
Antonyms
sincere