wear down

wear down idiom
Diminish, weaken, or tire by relentless pressure, as in The heels of these shoes are quite worn down, or Her constant nagging about getting a new car wore down his resistance. [First half of 1800s]

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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