run down

trace

• “We are running down a few tips”

move downward

• “The water ran down”

injure or kill by running over, as with a vehicle

use up all one''s strength and energy and stop working

• “At the end of the march, I pooped out”

examine hastily

• “She scanned the newspaper headlines while waiting for the taxi”

deplete

• “exhaust one”
• “;”

pursue until captured

• “They ran down the fugitive”

worn and broken down by hard use

• “a creaky shack”
• “a decrepit bus...its seats held together with friction tape”
• “a flea-bitten sofa”
• “a run-down neighborhood”
• “a woebegone old shack”

having the spring unwound

• “a run-down watch”