Oleaginous meaning

ōlē-ăjə-nəs
Of or relating to oil.
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Falsely or smugly earnest; unctuous.

Oleaginous flattery.

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Oily; greasy; unctuous.
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(of manner or speech) Falsely or affectedly earnest; persuasively suave.

The oleaginous salesman convinced me to buy a more expensive car.

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Origin of oleaginous

  • From Middle English oliaginose and from French oléagineux (from Old French) both from Latin oleāginus of the olive tree from olea olive tree alteration (influenced by oleum olive oil) of olīva olive

    From American Heritage Dictionary of the English Language, 5th Edition

  • From French oléagineux, from Latin oleāginus, from olea (“the olive fruit and tree").

    From Wiktionary