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clockwork

American  
[klok-wurk] / ˈklɒkˌwɜrk /

noun

  1. the mechanism of a clock.

  2. any mechanism similar to that of a clock.


idioms

  1. like clockwork, with perfect regularity or precision.

    The launching of the spacecraft went off like clockwork.

clockwork British  
/ ˈklɒkˌwɜːk /

noun

  1. the mechanism of a clock

  2. any similar mechanism, as in a wind-up toy

  3. with complete regularity and precision

"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 clockwork

First recorded in 1620–30; clock 1 + work

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.

With everything working like clockwork, he's clearly run out of things to complain about.

From BBC • Mar. 6, 2026

I’m not sure what would provoke anyone to tune in, but like clockwork, the viewership billowed to the thousands.

From Slate • Feb. 23, 2026

The now-iconic scene, notably from Walt Disney’s 1955 animated classic “Lady and the Tramp,” remains one of the most timeless cinematic moments of romance, often referenced like clockwork every Valentine’s Day.

From Salon • Feb. 14, 2026

Like clockwork, the Mercedes arrived and parked at the foot of a runway in the small, posh airport that serves this air-conditioned resort city.

From Los Angeles Times • Dec. 22, 2025

When I tapped my finger on the stout cage glass the snake had opened its clockwork jaws and seemed to smile.

From "The Bell Jar" by Sylvia Plath