be neither here nor there
used to say that something is not important because it does not affect a fact or situation SYN irrelevant

[TahlilGaran] Dictionary of Contemporary English ▲

neither here nor there
if a fact is neither here nor there, it is not important.
Whether they go or not is neither here nor there as far as I'm concerned.

[TahlilGaran] English Idioms Dictionary ▲

neither here nor there
not relevant to the thing being discussed, to be off the subject
"What you are saying is neither here nor there. We are talking about our plans this year - not five years in the future."

[TahlilGaran] English Idioms Dictionary ▲

neither here nor there
adj. phr. Not important to the thing being discussed; off the subject; not mattering.
Perhaps you did stay up late finishing your homework. That's neither here nor there. You still must come to school on time.
The boys all like the coach but that's neither here nor there; the question is, "Does he know how to teach football?"
Compare: BESIDE THE POINT.
Antonym: HAVE TO DO WITH, COME TO THE POINT.

[TahlilGaran] English Idioms Dictionary ▲