side issue(redirected from a side-issue)
A topic related to, but less important than, the subject currently being discussed or considered. While you make an intriguing point, I'm afraid we don't have to time to cover side issues like that in today's lecture. Try not to get lost in all the side issues related to this case as you do your research.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.