The oleaginous politician tried to charm the crowd with his smooth talk.
oleaginous smile
Frequency:
70
%
He greeted her with an oleaginous smile, hoping to win her favor.
oleaginous behavior
Frequency:
60
%
Her oleaginous behavior made it clear that she was only interested in personal gain.
Idiomatic Expressions for oleaginous
Phrase: oleaginous sales pitch
Meaning: a sales pitch that is overly smooth or persuasive to the point of being insincere
Usage: The salesman's oleaginous sales pitch convinced many customers to buy the product, but some later regretted their decision.