go for nothing

go for nothing idiom
Be useless, serve no purpose. For example, He lost the case, so all our efforts on his behalf went for nothing. [Late 1500s] Also see go for, def. 2.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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