irreversible

adjective

ir·​re·​vers·​ible ˌir-i-ˈvər-sə-bəl How to pronounce irreversible (audio)
: not reversible
irreversibility noun
irreversibly adverb

Examples of irreversible in a Sentence

He suffered an irreversible loss of vision. The crisis has done irreversible harm to the countries' relations.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Not helping matters: Damian — who unbeknownst to Martha is still in Ingrid’s life — calmly informs Ingrid that the damage to the planet due to climate change is irreversible. Tim Grierson, Los Angeles Times, 18 Dec. 2024 More tests by a liver specialist revealed Sanchez had Stage 4 cirrhosis of the liver, which is irreversible even with medication. Daniel Gonzalez, The Arizona Republic, 15 Dec. 2024 Trachoma is a bacterial eye infection that can lead to visual impairment and irreversible blindness. Jess Craig, Vox, 5 Dec. 2024 But, if Congress insists on standing by as the Justice Department becomes politicized, with some members even encouraging movement in that direction already, the pardon power should be invoked to prevent an irreversible assault on the rule of law. Daniel R. Depetris, Newsweek, 5 Dec. 2024 See all Example Sentences for irreversible 

Word History

First Known Use

1630, in the meaning defined above

Time Traveler
The first known use of irreversible was in 1630

Dictionary Entries Near irreversible

Cite this Entry

“Irreversible.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/irreversible. Accessed 25 Dec. 2024.

Kids Definition

irreversible

adjective
ir·​re·​vers·​ible ˌir-i-ˈvər-sə-bəl How to pronounce irreversible (audio)
: impossible to reverse
an irreversible chemical reaction
irreversible damage
irreversibility noun
irreversibly adverb

Medical Definition

irreversible

adjective
ir·​re·​vers·​ible ˌir-i-ˈvər-sə-bəl How to pronounce irreversible (audio)
: incapable of being reversed : not reversible
an irreversible medical procedure
: as
a
: impossible to make run or take place backward
irreversible chemical syntheses
b
of a colloid : incapable of undergoing transformation from sol to gel or vice versa
c
of a pathological process : of such severity that recovery is impossible
irreversible brain damage
irreversibility noun
plural irreversibilities
irreversibly adverb

Legal Definition

irreversible

adjective
ir·​re·​ver·​si·​ble ˌir-rə-ˈvər-sə-bəl How to pronounce irreversible (audio)
: not reversible
an irreversible decision

More from Merriam-Webster on irreversible

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