oleaginous
UK /ˌəʊ.lɪˈæd͡ʒ.ɪ.nəs/ · US /ˌoʊ.liˈæd͡ʒ.ɪ.nəs/ adjective
- adjective Oily, greasy.
- adjective (of manner or speech) Falsely or affectedly earnest; persuasively suave. “The oleaginous salesman convinced me to buy a more expensive car.”
Synonyms
Etymology
Borrowed from French oléagineux, borrowed from Medieval Latin oleāginōsus (“oily”), from olea (“the olive tree or its fruit”).
Webster’s 1913
Etymology [L. oleaginus, oleagineus, belonging to the olive, fr. olea olive: cf. F. oléagineux. See Olive, Oil.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “oleaginous”, CC BY-SA 4.0. Details