run down

verb

ran down; run down; running down; runs down
Synonyms of run downnext

transitive verb

1
a
: to collide with and knock down
b
: to run against and cause to sink
2
a
: to chase to exhaustion or until captured
The cops ran the thief down in an alley.
b
: to find (someone or something) after searching
c
: to tag out (a base runner) between bases on a rundown
3
: disparage
was always running himself down
4
: to say or repeat from beginning to end
ran down the list of names

intransitive verb

1
: to cease to operate because of the exhaustion of motive power
the clock ran down
2
: to decline in physical condition or vigor

Examples of run down in a Sentence

finally ran down the answer after hours of research constantly running down the city's cultural life won't do anything to improve it
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Eastern diamondbacks Eastern diamondbacks can be brown, yellow or tan, with black, brown and cream diamonds running down their backs. Sarah Perkel, USA Today, 3 June 2026 After one player from each team was ejected for throwing punches, Helix rallied from three runs down to defeat Covina 14-7 on Tuesday in the quarterfinals of the Southern California Regional Division 3 playoffs. Don Norcross, San Diego Union-Tribune, 3 June 2026 Diamondbacks center fielder Jorge Barrosa ran down five fly balls by Dodgers hitters. Bill Plunkett, Oc Register, 2 June 2026 The Sooners also rallied from six runs down to defeat Georgia Tech 15-8 on Sunday, forcing Monday’s elimination game. Gary Bedore, Kansas City Star, 1 June 2026 See All Example Sentences for run down

Word History

First Known Use

1686, in the meaning defined at transitive sense 1a

Time Traveler
The first known use of run down was in 1686

Browse Nearby Words

See all Nearby Words

Cite this Entry

“Run down.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/run%20down. Accessed 10 Jun. 2026.

Kids Definition

rundown

1 of 3 noun
run·​down ˈrən-ˌdau̇n How to pronounce rundown (audio)
: an item by item report : summary

run-down

2 of 3 adjective
ˈrən-ˈdau̇n
1
: being in poor condition
a run-down farm
2
: being in or indicating poor health
that run-down feeling

run down

3 of 3 verb
ˈrən-ˈdau̇n
1
: to collide with and knock down
2
a
: to chase until exhausted or captured
b
: to find by search : trace the source of
3
: to stop operating because of the exhaustion of an energy source
the battery ran down

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