definition of
run down

[1] #1 run down v. trace; "We are running down a few tips". wn

[2] #2 run down v. move downward; "The water ran down". wn

[3] #3 run down v. injure or kill by running over, as with a vehicle. wn

[4] #4 run down v. use up all one's strength and energy and stop working; "At the end of the march, I pooped out". wn

[5] #5 run down v. examine hastily; "She scanned the newspaper headlines while waiting for the taxi". wn