Meaning of “irreconcilable” - Learner’s Dictionary

irreconcilable

adjective uk us /ˌɪrekənˈsaɪləbl/ formal

Irreconcilable beliefs, opinions, etc are so different that no agreement is possible:

Irreconcilable differences led to their divorce.

(Definition of “irreconcilable” from the Cambridge Learner’s Dictionary © Cambridge University Press)