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1. To become eroded, dissolved, or stripped away from exposure to some destructive element or force. The enamel on your teeth has worn almost completely away, which is why you've been experiencing so much pain when you eat and drink. Over the course of several centuries, the coastline wore away until the small village was completely consumed by the sea.
2. To erode, dissolve, or strip away something as a result of exposure to some destructive element or force. A noun or pronoun can be used between "wear" and "away." The extreme weather in this area will wear that cheap paint away in a matter of weeks. Rust has completely worn away the underside of the car.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
wear something away
to erode something. The constant rains wore the side of the cathedral away. The flooding wore away the topsail.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
1. To erode or consume something by long or hard use, attrition, or exposure: The sea is wearing away the rocks. Repeated washings have worn the fabric away. The tough climate wears away at the roof.
2. To be gradually eroded or consumed by long or hard use, attrition, or exposure: The paint on the house is wearing away.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.