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 Around 30% of hormonal therapy patients discontinue treatment within four years and are left with effects that are often irreversible. Sara Stockton, New York Daily News, 18 June 2024 Type 1 diabetes can be treated only by injecting insulin and is irreversible. Jamie Hartmann-Boyce, Discover Magazine, 11 June 2024 Some Arab Barometer findings, however, also reveal that Arabs’ growing skepticism about the United States’ role in the Middle East is not irreversible. Michael Robbins, Foreign Affairs, 11 June 2024 Ornish said decades ago, mainstream medicine thought that heart disease was irreversible. Ken Alltucker, USA TODAY, 7 June 2024 See all Example Sentences for irreversible 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'irreversible.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 4 Jul. 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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