run down

definition: use up all one's strength and energy and stop working
example:
speech part: verb
synonyms: poop out
definition: injure or kill by running over, as with a vehicle
example:
speech part: verb
synonyms: run over
definition: pursue until captured
example:
speech part: verb
synonyms:
definition: move downward
example:
speech part: verb
synonyms:
definition: examine hastily
example:
speech part: verb
synonyms: scan
definition: deplete
example:
speech part: verb
synonyms: sap
definition: trace
example:
speech part: verb
synonyms:

How run down is being used?