Meaning of “run” - Learner’s Dictionary

run

verb uk us /rʌn/ (present participle running, past tense ran, past participle run)
MOVE FAST [ I, T ]

A1 to move on your feet at a faster speed than walking:

He can run very fast.
He ran away when I tried to pick him up.
[ + to do sth ] We had to run to catch up with him.
I run about three miles every morning.
ORGANIZE [ T ]

B1 to organize or control something:

She ran her own restaurant for five years.
run sb/sth to/down, etc

to take someone or something somewhere, usually by car:

Could you run me to the station this afternoon?
WORKING [ I, T ]

If a piece of equipment is running, it is switched on and working, and if you run it, you switch it on and make it work:

The engine is running more smoothly now.
USE COMPUTER [ T ]

B2 If you run a computer program, you use it on your computer:

Did you run a virus check this morning?
TRAVELLING [ I ]

B2 If trains or buses are running, they are available to travel on:

The buses only run until 11 p.m.
LIQUID [ I ]

B2 If liquid runs somewhere, it flows:

Tears ran down her face.
Have you got a tissue? My nose is running (= liquid is coming out of it).
PUBLISH [ T ]

to publish something in a newspaper or magazine:

All the papers are running this story on the front page.
run a bath UK

to fill a bath with water so that it is ready to use

run sth along/over/through, etc sth

to move something along, over, or through something else:

She ran her fingers through her hair.
run through/down/along, etc

If something long and narrow runs somewhere, it is in that position:

There are wires running across the floor.
The road runs parallel to the railway line.
CONTINUE [ I ]

If a play, film, etc runs for a period of time, it continues that long:

The play ran for five months before moving to the West End.
run in sb's/the family

If a quality, ability, disease, etc runs in the family, many members of the family have it:

A love of animals runs in our family.
COLOUR [ I ]

If a colour runs, it comes out of some material when it is washed.

be running at sth

to be at a particular level:

Inflation is now running at 5.8%.
→ See also cast/run your/an eye over sth , run the gauntlet , run riot , run out of steam , run wild

(Definition of “run verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)