irreconcilable

/ɪˈrɛkənˌsaɪləbəl/
adjective
  1. Impossible to bring into agreement or harmony; so different that two sides cannot reach a settlement or coexist peacefully.
    • The scientists had irreconcilable theories about the origin of the universe, each refusing to accept the other's evidence.
    • After years of fighting, the couple realized their differences were irreconcilable and decided to divorce.
    • The two political parties held irreconcilable views on tax reform, making compromise impossible.
  2. Impossible to resolve or settle (used especially of conflicts, disagreements, or contradictions).
    • The treaty failed because the two nations had irreconcilable demands regarding border control.
    • The board faced an irreconcilable conflict between the need to cut costs and the demand for better services.
    • Their friendship ended because of an irreconcilable disagreement over money.
noun
  1. A person or thing that is impossible to reconcile with another; someone who holds opposing views that cannot be brought into agreement.
    • History shows that political irreconcilables often prevent progress on important issues.
    • In the debate, the two speakers were irreconcilables, each refusing to consider the other's point of view.
    • The committee split into irreconcilables, with one group walking out of the meeting.
What does "irreconcilable" mean? | whatsthatwordmean | whatsthatwordmean