past; gone by; earlier; former: The faded photograph brought memories of bygone days. Usually bygones. that which is past: Let's not talk of bygones.

What does it mean when someone says bygone?

used to tell someone that he or she should forget about unpleasant things that happened in the past, and especially to forgive and forget something bad that someone has done to him or her: Just let bygones be bygones and be friends again.

Can a person be bygone?

A person or occurrence that took place in the past. One, especially a grievance, that is past. Let bygones be bygones. That has or have gone by; past; former.