what's the use

idiom

—used to say that it would not be useful to do something

"You should talk to her." "What's the use? She's not going to change her mind."

—often + of

What's the use of trying? It won't help.

Examples of what's the use in a Sentence

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After all, what's the use in starting a side hustle when there are no paying customers? —

Rachel Wells, Forbes, 29 Feb. 2024

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“What's the use.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/what%27s%20the%20use. Accessed 22 Dec. 2024.

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