Meaning of the word "be cooking with gas" in English

What does "be cooking with gas" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

be cooking with gas

US /bi ˈkʊkɪŋ wɪð ɡæs/
UK /bi ˈkʊkɪŋ wɪð ɡæs/
"be cooking with gas" picture

Idiom

1.

to be making good progress or performing very well

Example:
Now that we have all the data, we're really cooking with gas on this project.
After the new software update, my computer is really cooking with gas.
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