What is a synonym for retro?

Here are some synonyms for "retro," depending on the specific meaning you want to convey:

General synonyms:

* Vintage

* Classic

* Old-fashioned

* Outdated

* Nostalgic

* Bygone

* Antique

* Archaic

* Past

* Former

* Bygone

* Outmoded

More specific synonyms:

* For style: Mid-century modern, 70s chic, Victorian, Art Deco

* For technology: Outdated, obsolete, antiquated, archaic

* For ideas or trends: Revival, resurgence, comeback

The best synonym to use will depend on the context of your sentence.