From Middle English grece, from Anglo-Norman grece, from Vulgar Latin *grassia, noun derived from Latin crassus (“fat, thick”). Doublet of crass.

Noun

• (General American) enPR: grēs, IPA^(key): /ɡɹis/
• (UK) enPR: grēs, IPA^(key): /ɡɹiːs/

• Audio (US):

  (file)

• Rhymes: -iːs
• Homophone: Greece

Verb

• (UK) enPR: grēs, IPA^(key): /ɡɹiːs/
• (General American) enPR: grēs, grēz, IPA^(key): /ɡɹis/, /ɡɹiz/
• Rhymes: -iːs (UK, US)
• Rhymes: -iːz (US)

grease (countable and uncountable, plural greases)

1. Animal fat in a melted or soft state.
2. (by extension) Any oily or fatty matter.
3. Shorn but not yet cleansed wool.
4. Inflammation of a horse's heels, also known as scratches or pastern dermatitis.
5. (slang) Money.
   • 1982, Stephen King, Survivor Type:

     Some of the people I talked to said it could be done—but it would cost big money. More grease than I’d ever dreamed of.

• (animal fat): fat, lard

grease (third-person singular simple present greases, present participle greasing, simple past and past participle greased)

1. (transitive) To put grease or fat on something, especially in order to lubricate.
2. (transitive, informal) To bribe.
   • 1693, Decimus Junius Juvenalis, John Dryden, transl., “[The Satires of Decimus Junius Juvenalis.] The Third Satyr”, in The Satires of Decimus Junius Juvenalis. Translated into English Verse. […] Together with the Satires of Aulus Persius Flaccus.[…], London: […] Jacob Tonson[…], →OCLC:

     the greas'd advocate that grinds the poor

   • 2008, Byron Archibald Dunn, With Lyon in Missouri:

     Then you remember we greased him to the tune of five hundred.

   • 2009, Dan Richardson, GOG - an End Time Mystery:

     His employee status didn't entitle him to one, but Magdy on reception would slip him a key if Sabr greased him with a fifty.

3. (transitive, informal) To cause to go easily; to facilitate.
4. (transitive, slang, aviation) To perform a landing extraordinarily smoothly.

   To my amazement, I greased the landing despite the tricky crosswinds.

5. (transitive, slang) To extinguish the life of.

   Synonyms: wax, wet, baptize, juice up; see also Thesaurus:kill

6. (transitive, slang) To have sexual intercourse with.

   Synonyms: see Thesaurus:copulate

   • 2022 November 22, BLP Kosher, “Chopping Block” (track 3, 1:31 from the start), in BLP Kosher and The Magic Dreidel‎^[1]:

     I’m with a girl, call me Rick, I get my crank on
     Choppa knock him out his briefs, ayy free willy
     He a blood, why the fuck I’m greasin his bitty

7. (obsolete) To cheat or cozen; to overreach.
   • 1616–1619 (first performance), John Fletcher, “The Mad Lover”, in Comedies and Tragedies[…], London: […] Humphrey Robinson,[…], and for Humphrey Moseley[…], published 1647, →OCLC, (please specify the act number in uppercase Roman numerals, and the scene number in lowercase Roman numerals):

     You have greased him / For chewing love again in haste

8. To affect (a horse) with grease, the disease.
9. To depart or slip away.

• (put grease or fat on): lard
• (slang for kill or murder): bump off, hit, whack

• geares, Seager, aegers, eagres, Seegar, Saeger, Eagers, searge, eagers, ægers, agrees