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Predictably and dependably. Everything is going like clockwork, so we should be ready to start construction by the end of the month. The conference went like clockwork from beginning to end.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
Also, 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® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. If something goes or runs like clockwork, it works very well and happens in exactly the way it is expected to. The journey there went like clockwork — flying out on Friday from Gatwick it took seven hours door-to-door. He soon had the household running like clockwork.
2. If someone does something like clockwork, they do it regularly, always at the same time. They would arrive like clockwork just before dawn. Every day at 3:00, like clockwork, he comes in here for a cup of coffee. Note: You can also say that someone does something, or that something happens, regular as clockwork. Every three years, regular as clockwork, the great Anne Tyler produces a new novel.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
like clockwork1 very smoothly and easily, with no disruptions or problems. 2 with mechanical regularity.
Farlex Partner Idioms Dictionary © Farlex 2017
With machinelike regularity and precision; perfectly: The project proceeded like clockwork.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.