Dictionary.net

use up all one's strength and energy and stop working; "At the end of the march, I pooped out"

deplete; "exhaust one's savings"; "We quickly played out our strength"

having the spring unwound; "a run-down watch"

pursue until captured; "They ran down the fugitive"

injure or kill by running over, as with a vehicle

examine hastily; "She scanned the newspaper headlines while waiting for the taxi"

use up all one's strength and energy and stop working; "At the end of the march, I pooped out"

deplete; "exhaust one's savings"; "We quickly played out our strength"

having the spring unwound; "a run-down watch"

pursue until captured; "They ran down the fugitive"