English Lexicon

Oleaginous

/ˌoʊ.liˈædʒ.ɪ.nəs/
adjectiveCEFR C2 (Proficient)Top #14500 frequency
Full Thesaurus

Comprehensive Definitions & Senses

2 senses
As adjective
  1. 1

    Resembling or characteristic of oil; greasy or oily.

    "The machine part was coated in an oleaginous substance that was difficult to clean."
  2. 2

    Marked by an exaggerated, ingratiating, or falsely earnest manner; unctuous.

    "His oleaginous flattery made the potential investors deeply suspicious of his motives."

Thesaurus & Semantic Spectrum

Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Late Latin word 'oleaginus' (olive-like), stemming from Latin 'oleum' (oil), with the adjectival suffix '-ous'. It entered the English language in the early 17th century, initially used in the literal sense of containing or resembling oil, before gradually shifting metaphorically to describe unctuous, excessively smooth, or insincerely smooth behavior.

Quick Vocabulary Retention Check

Which of the following is the closest synonym for "Oleaginous"?

Thesaurus & Synonyms Graph

Explore Nuanced Synonyms for "Oleaginous"

Discover exact matches, context-specific alternatives, and antonyms with intensity ratings in the VocabDictionary Thesaurus.

View "Oleaginous" Synonym Map