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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.

See Examples For:

But after two test trips with a full-sized reproduction of the tapestry, the operation appeared a well-oiled machine.

From Barron's Jul. 10, 2026

Under its well-oiled financial system, companies can set up or shut down in days.

From The Wall Street Journal May 14, 2026

To complete the picture, PSG's midfield of Vitinha, Fabian Ruiz and Joao Neves is the well-oiled engine room linking it all together.

From BBC May 6, 2026

They’re a well-oiled machine of fun over there!

From Los Angeles Times Apr. 16, 2026

She could understand the appeal of the Roman way, too - to blend in, be one of the team, work as a part of a well-oiled machine.

From "Blood of Olympus" by Rick Riordan

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