Definition of what good
—used to say that one does not think that something is helpful, useful, or worth doing What good is a college education when you can't get a job after you graduate? What good does it do to bring an umbrella along if you are only going to leave it in the car? I could try talking to him, but what good would that do/be? He has already made up his mind.
Word by Word Definitions
: used as an interrogative expressing inquiry about the identity, nature, or value of an object or matter
: often used to ask for repetition of an utterance or part of an utterance not properly heard or understood
: in what respect : how
: used as an interrogative expressing inquiry about the identity, nature, or value of a person, object, or matter
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