irreversible [ir′i vʉr′sə bəl]
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The definition of irreversible is something that cannot be altered, changed or undone.
Having your tonsils permanently removed is an example of an irreversible operation.
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
not reversible; specif.,
- that cannot be repealed or annulled
- that cannot be turned inside out, run backward, etc.
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Impossible to reverse: an irreversible momentum toward open revolution.
- irˌre·versˌi·bilˈi·ty, irˌre·versˈi·ble·ness noun