Word Origin See more synonyms on Thesaurus.com the mechanism of a clock. any mechanism similar to that of a clock. like clockwork, with perfect regularity or precision: The launching of the spacecraft went off like clockwork.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for like clockwork the mechanism of a clock any similar mechanism, as in a wind-up toy like clockwork with complete regularity and precision
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for like clockwork clockwork n.
clock-work, 1660s, "mechanism of a clock," from clock (n.1) + work (n.). Figurative sense of "anything of unvarying regularity" is recorded earlier (1620s).
Online Etymology Dictionary, © 2010 Douglas Harper
Idioms and Phrases with like clockwork like clockwork
regular as clockwork. With extreme regularity, as in Ruth arrives every Wednesday morning just like clockwork, or You can count on his schedule, which is regular as clockwork, or Their assembly line runs like clockwork. This idiom alludes to the mechanical and therefore very regular action of a clock. [Second half of 1600s]
The American Heritage® Idioms Dictionary
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