Main entry: work
Definition: exert oneself by doing mental or physical work for a purpose or out of necessity
Usage: I will work hard to improve my grades; she worked hard for better living conditions for the poor
Main entry: operate, run, work, go, function
Definition: perform as expected when applied
Usage: The washing machine won't go unless it's plugged in; Does this old car still run well?; This old radio doesn't work anymore
Antonyms: malfunction, misfunction
Definition: fail to function or function improperly