runoff

1 of 2

noun

run·​off ˈrən-ˌȯf 

1

: a final race, contest, or election to decide an earlier one that has not resulted in a decision in favor of any one competitor

2

: the portion of precipitation on land that ultimately reaches streams often with dissolved or suspended material

run off

2 of 2

verb

ran off; run off; running off; runs off

transitive verb

1

a

: to recite, compose, or produce rapidly

b

: to cause to be run or played to a finish

c

: to decide (a race) by a runoff

d

: carry out

2

: to drain off : draw off

3

a

: to drive off (someone, such as a trespasser)

b

: to steal (animals, such as cattle) by driving away

intransitive verb

: run away sense 1

see also:

run off with

Synonyms of runoff

Verb

• out
• eject
• chase
• cast out
• dismiss
• banish
• kick out

Examples of runoff in a Sentence

Verb

the dog often ran off cats and other animals that had intruded upon his owner's property

their rebellious daughter's run off because she was disciplined again

Recent Examples on the Web

Noun

In the race to replace Councilmember Bob Blumenfield in the west San Fernando Valley, business owner Tim Gaspar had collected $265,000 for the runoff campaign, compared with nearly $101,000 for political aide Barri Worth Girvan. — David Zahniser, Los Angeles Times, 25 Sep. 2026

Additionally, the project’s closed-loop water system prevents nutrients from washing into nearby rivers, where runoff from conventional cotton production can contribute to eutrophication. — Angela Velasquez, Footwear News, 24 Sep. 2026

Verb

Warmer storms hold more moisture, and push the snow line up the mountains, so precipitation that should be saved as snowpack runs off as rain. — Sean MacAday, Sacbee.com, 20 Sep. 2026

The club scored four runs off Royals starter Noah Cameron including a pair of two-run homers from Ronny Simon and Jake Mangum. — Kansas City Star, 20 Sep. 2026

Word History

First Known Use

Noun

1867, in the meaning defined at sense 2

Verb

1680, in the meaning defined at transitive sense 1a

Rhymes for runoff

• ashraf
• checkoff
• cutoff
• falloff
• handoff
• kickoff
• layoff
• liftoff
• markoff
• markov
• payoff
• playoff

Kids Definition

runoff

1 of 2 noun

run·​off ˈrən-ˌȯf 

1

: a final contest or election to decide an earlier one that has not given the victory to one competitor

2

: water from rain or snow that flows over the surface of the ground and finally into streams

run off

2 of 2 verb

ˈrən-ˈȯf, 

ˌrən-

1

: to produce rapidly

2

: to decide by a runoff

3

: to drive away

4

: run away sense 1