a thing of the past
thing of the past
1. Something that no longer exists. Those stores are a thing of the past—their parent company filed bankruptcy a few years ago.
2. By extension, something that is no longer popular or commonplace. I think everyone is glad that leisure suits are a thing of the past. In today's society, it certainly seems like manners are becoming a thing of the past.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
a thing of the ˈpastsomething that no longer happens or exists: Everybody sends emails these days. Letter-writing has become a thing of the past.
Farlex Partner Idioms Dictionary © Farlex 2017