run-down
Americanverb
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to cause or allow (an engine, battery, etc) to lose power gradually and cease to function or (of an engine, battery, etc) to do this
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to decline or reduce in number or size
the firm ran down its sales force
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(tr, usually passive) to tire, sap the strength of, or exhaust
he was thoroughly run down and needed a holiday
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(tr) to criticize adversely; denigrate; decry
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(tr) to hit and knock to the ground with a moving vehicle
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nautical
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(tr) to collide with and cause to sink
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(intr, preposition) to navigate so as to move parallel to (a coast)
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(tr) to pursue and find or capture
to run down a fugitive
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(tr) to read swiftly or perfunctorily
he ran down their list of complaints
adjective
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tired; exhausted
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worn-out, shabby, or dilapidated
noun
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a brief review, résumé, or summary
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the process of a motor or mechanism coming gradually to a standstill after the source of power is removed
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a reduction in number or size
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Stop because of lack of power or force, as in The alarm clock finally ran down . [Mid-1700s]
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Make or be tired, cause to decline or be declined in health or vigor, as in His long illness ran him down, leaving him with no energy , or After that huge assignment his strength ran down . [First half of 1800s]
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Collide with and knock over, as in The speeding motorist ran down a pedestrian . [Second half of 1500s]
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Chase and capture, as in Police detectives ran down the suspects . [Second half of 1600s]
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Trace the source of, as in She ran down all the references at the library .
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Disparage, as in Don't run him down, he's a talented actor . [Second half of 1600s] Also see put down , def. 4.
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Also, run one's eyes over . Look over, review, as in Let's run down the membership list again and see if we can pick a delegate , or She ran her eyes over the crowd, looking for her husband .
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In baseball, tag out a runner between bases, as in We might have won but in the last inning they ran down two of our runners .
Etymology
Origin of run-down
First recorded in 1675–85; adj. use of verb phrase run down
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
An unfinished light rail system mired in corruption allegations, a run-down central hospital which patients have described as "hell" and deepening inequality make it feel like a microcosm of the country.
From BBC • Jan. 29, 2026
It sat run-down and vacant until 2019, when a campaign to revitalize it gained steam.
From Los Angeles Times • Dec. 9, 2025
It lurks in the halls of famed institutions and the parking lots of dreary, run-down wharfs.
From Salon • Dec. 5, 2025
The town of about 3,500 inhabitants used the law to advance a decade-old scheme of purchasing run-down homes from residents, before withdrawing it after media criticism.
From Barron's • Oct. 20, 2025
Some blocks are run-down; others are really nice.
From "X: A Novel" by Ilyasah Shabazz
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.