irreconcilable

1 of 2

adjective

ir·​rec·​on·​cil·​able i-ˌre-kən-ˈsī-lə-bəl How to pronounce irreconcilable (audio)
-ˈre-kən-ˌsī-,
ˌi(r)-
: impossible to reconcile
irreconcilable differences
irreconcilability noun
irreconcilableness noun
irreconcilably
i-ˌre-kən-ˈsī-lə-blē How to pronounce irreconcilable (audio)
-ˈre-kən-ˌsī-
ˌi(r)
adverb

irreconcilable

2 of 2

noun

: one that is irreconcilable
especially : a member of a group (such as a political party) opposing compromise or collaboration

Examples of irreconcilable in a Sentence

Adjective theories that are irreconcilable with each other
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.
Adjective
At times, reenactors’ twin fascinations—authenticity and preventive safety measures—​are irreconcilable. Caity Weaver, The Atlantic, 8 Oct. 2025 Advertisement For Peri, there is an irreconcilable tension between the administration’s twin goals: protecting American jobs and maintaining the U.S.’ position as a global leader in STEM. Andrew R. Chow, Time, 23 Sep. 2025 But with Kimmel, the situation may be irreconcilable. Todd Spangler, Variety, 19 Sep. 2025 On closer inspection, however, activist fund principals often face irreconcilable conflicts. Kai Liekefett, Forbes.com, 15 Sep. 2025 See All Example Sentences for irreconcilable

Word History

First Known Use

Adjective

1587, in the meaning defined above

Noun

1748, in the meaning defined above

Time Traveler
The first known use of irreconcilable was in 1587

Cite this Entry

“Irreconcilable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/irreconcilable. Accessed 12 Oct. 2025.

Kids Definition

irreconcilable

adjective
ir·​rec·​on·​cil·​able
(ˌ)ir-ˌ(r)ek-ən-ˈsī-lə-bəl,
(ˈ)ir-ˈ(r)ek-ən-ˌsī-
: impossible to reconcile, adjust, or harmonize
ended the partnership because of irreconcilable differences
irreconcilably
-blē
adverb

More from Merriam-Webster on irreconcilable

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!