fire on all four cylinders

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fire on all four cylinders

To function or operate at the most desirable or greatest possible level of efficiency, speed, or productivity. (Usually used in the continuous tense.) The phrase alludes to the cylinders in an engine. The new website will be firing on all four cylinders once we get the comments section up and running! I only fire on all four cylinders after I've had my coffee. The automated messaging process is firing on all four cylinders now that we've solved the bouncing issue.
See also: all, cylinder, fire, four, on
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

firing/working on all ˈcylinders

(informal) using all your energy to do something; working as well as possible: The 24-year-old player feels that he is not yet firing on all cylinders.
See also: all, cylinder, firing, on, working
Farlex Partner Idioms Dictionary © Farlex 2017
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