1. belonging to an earlier time; past

1. something from the past, especially something no longer in use
Usage: usually plural

Examples

• The old theater was a reminder of bygone days.
• She collected antiques from a bygone era.
• The museum displayed bygones from the Victorian period.
• Let bygones be bygones and move forward.
• His grandfather told stories of bygone times.
• The abandoned factory was a symbol of bygone industry.