operating

[op-uh-rey-ting]

adjective

1. used or engaged in performing operations.

   an operating surgeon.

2. of, for, or pertaining to operations.

   an operating budget.

3. of or relating to the proper operation of a machine, appliance, etc..

   a manual of operating instructions.

4. Railroads.,  of, pertaining, or belonging to railroad workers, as engineers or firemen, who are directly engaged in the mechanical operation of trains.

   an operating union.

Other Word Forms

• nonoperating adjective
• unoperating adjective

Word History and Origins

Origin of operating¹

First recorded in 1800–10; operat(e) + -ing ¹

Example Sentences

It’s taken a while for Democrats to accept that threats, lies and reckless behavior are now the operating principles of the Republican Party.

From Salon

Denmark's Aalborg and Billund airports closed due to drones above the airport on Wednesday night, while three smaller airports reported drone activity but were able to continue operating.

From BBC

NPR and PBS are still operating despite the funding cuts, but layoffs and reduced programming are expected.

From Los Angeles Times

As for the teleprompter, the Associated Press reported that the White House was responsible for operating the teleprompter for the president.

From Los Angeles Times

The Glasgow University principal says there will be a need for more of them to share resources and show they are operating efficiently, with mergers being an option.

From BBC

Related Words

• operational 
• running 
• working