Dictionary
by•gone
Pronunciation: (bī'gôn", -gon"), [key]—
adj.
past; gone by; earlier; former:
The faded photograph brought memories of bygone days.
—
n.
1. Usually,
bygones. that which is past:
Let's not talk of bygones.
2. let bygones be bygones, to decide to forget past disagreements; become reconciled:
Let's let bygones be bygones and be friends again. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.