Entry 2 senses · 2 variants Webster, 1913

Bygone

/(bī"gŏn`; 115)/ · By·gone · IPA /ˈbaɪɡɔn/

01 a. Past; gone by.

1.
Past; gone by.

02 n. Something gone by or past; a past event.

1.
Something gone by or past; a past event.

Phrases & compounds

Let bygones be bygones — let the past be forgotten.