Up and running

Suggest a Correction

Meaning

Fully operational or underway, ticking smoothly.

Origin

From 20th-century America, tied to machines; 'up' for on, 'running' for work, slang by 1940s for start. A 1955 'Business Week' uses it for a plant's kickoff.

Usage Examples

  • The site's up and running; check it out!
  • We're up and running after the fix.
  • Up and running by dawn; great work!

Browse More

A to Z More U phrases