Definition of what good
—used to say that one does not think that something is helpful, useful, or worth doingWhat 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.
Love words? Need even more definitions?Merriam-Webster unabridged
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