Not related, not applicable, unimportant, not connected. (adjective)
Examples of word irrelevant
The best way to fight off these Smartbook folks is to make the term irrelevant, and we can coin a better term at the same time.
Jon Perlman , a Beverly Hills plastic surgeon, suspended his AdWords account last year after he found out he was charged for what he called irrelevant search terms such as "oliva newton john photo" and "tattoo removal studio city."
And the U.N., which we called irrelevant at the time, they're not there to help us.
They were involved in irrelevant issues, as always.
What makes this conversation sadly irrelevant is that the true part of that clip is that consumers are buying for all the wrong reasons.