Meaning of the word "up and running" in English

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

up and running

US /ʌp ənd ˈrʌnɪŋ/
UK /ʌp ənd ˈrʌnɪŋ/

Idiom

functioning correctly after being set up or repaired

Example:
The new computer system should be up and running by tomorrow.
After a few repairs, the old machine was up and running again.