It depends on the context of the sentence. Right now there is too little information based on that one sentence.
The word "irreconcilable" is used when in relation to humans' disagreement of / inharmonious feelings. It is usually used for human relationships which are unable to be fixed/mended. If I were to reconstruct ur sentence to make the meaning of the word "irreconcilable" more related, I'd put it this way: "The mistake he made caused their friendship to be irreconcilable." Note: A mistake though, is not irreconcilable. Hope I've helped.
There is a mistake in your bill.
"Did you have a chance to speak with him?" is a perfectly good and correct sentence. It does not contain any grammar mistakes.
The essay was full of mistakes. "Make sure to correct your mistakes!" the teacher instructed.
Make a mistake is correct.
"I will be proceeding my annual leave" is grammatically correct, but has no meaning. What are you trying to say?
There is a mistake in your bill.
This view is irreconcilable with common sense.
It's IRRECONCILABLE. Here are some sentences.They cited irreconcilable differences when they asked for a divorce.He always seems to be the irreconcilable in our group.Her way of thinking is irreconcilable with mine.
"Did you have a chance to speak with him?" is a perfectly good and correct sentence. It does not contain any grammar mistakes.
The essay was full of mistakes. "Make sure to correct your mistakes!" the teacher instructed.
That was not a mistake!
Make a mistake is correct.
They had a very irreconcilable fight.OR IN THE QUESTION YOU JUST ASKED!!!!!!!!!!!!!
"I will be proceeding my annual leave" is grammatically correct, but has no meaning. What are you trying to say?
I believe that the word "neighbouring" should be changed to "neighbourly" in order to make this sentence correct.
"Irreconcilable" is an adjective.
Example sentence - It would be a mistake to expect a stranger online to correctly answer the questions on my homework assignments.