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well-oiled

American  
[wel-oild] / ˈwɛlˈɔɪld /

adjective

  1. operating with efficiency.

    a well-oiled department.

  2. Slang. drunk.


well-oiled British  

adjective

  1. informal (well oiled when postpositive) drunk

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of well-oiled

First recorded in 1730–40

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Aimed squarely at kids of all sizes, “Star Wars” has become a glorified tour of a billionaire’s expanding playworld and “The Mandalorian and Grogu” wants the track well-oiled, not bumpy.

From Los Angeles Times • May 19, 2026

“They’ve designed such a well-oiled machine,” Anastasio said.

From Salon • May 2, 2026

On Wall Street, Steve Feinberg had a well-oiled sales pitch for investors thinking of betting billions on his corporate turnarounds.

From The Wall Street Journal • Apr. 16, 2026

Amazon’s e-commerce business “remains a well-oiled machine” delivering consistent revenue growth and capturing global market share in a slow-growth retail environment, according to Horowitz.

From MarketWatch • Jan. 9, 2026

The three of us were like well-oiled robots, our assembly line never veering off course: fold, stuff, seal, repeat.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas

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