oil.
Liquid fat.
Meaning & usage
Liquid fat.
Petroleum-based liquid used as fuel or lubricant.
Petroleum.
Oil is found in countries such as Saudi Arabia and is transported all over the world.
An oil painting.
Oil paint.
I prefer to paint in oil
Where this word comes from
Etymology tree Proto-Hellenic *élaiwon Ancient Greek ἔλαιον (élaion)der. Latin oleumder. Latin olea Old French oilebor. Middle English oyle English oil From Middle English oyle, oile (“olive oil”), borrowed from Old French oile, from Latin oleum (“oil, olive oil”), from Ancient Greek ἔλαιον (élaion, “olive oil”), from ἐλαία (elaía, “olive”). Compare Proto-Slavic *lojь. More at olive. Doublet of oleum. Supplanted Middle English ele (“oil”), from Old English ele (“oil”), also from Latin.
To lubricate with oil.
To grease with oil for cooking.
To fuel with oil.
To say in an unctuous manner.
Where this word comes from
Etymology tree Proto-Hellenic *élaiwon Ancient Greek ἔλαιον (élaion)der. Latin oleumder. Latin olea Old French oilebor. Middle English oyle Proto-Indo-European *-o- Proto-Indo-European *-nom Proto-Indo-European *-onom Proto-Germanic *-aną Proto-Indo-European *-yeti Proto-Indo-European *-éyeti Proto-Germanic *-janą Old English -an Middle English -en Middle English oylen English oil From Middle English oylen, from the noun (see above).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.