bygone

[bahy-gawn, -gon] /ˈbaɪˌgɔn, -ˌgɒn/

adjective

past; gone by; earlier; former:

The faded photograph brought memories of bygone days.

noun

Usually, bygones. that which is past:

Let's not talk of bygones.

Idioms

let bygones be bygones, to decide to forget past disagreements; become reconciled:

Let's let bygones be bygones and be friends again.

Origin

1375-1425; late Middle English (north) by-gane; see gone, by¹

Examples from the web for bygones

The difference between an inflation target and a price level target is that an inflation target lets bygones be bygones.
First, the system of bureaucracy has forever become bygones.
Let bygones be bygones, the answer is, that that is not possible.

British Dictionary definitions for bygones

/ˈbaɪˌɡɒn/

adjective

(usually prenominal) past; former

noun

(often pl) a past occurrence

(often pl) an artefact, implement, etc, of former domestic or industrial use, now often collected for interest

let bygones be bygones, to agree to forget past quarrels

Word Origin and History for bygones

"things that are past," especially offenses, 1560s, from plural of noun use of bygone (q.v.).

adj.

early 15c., from by (adv.) + gone. Cf. similar construction of aforesaid. As a noun from 1560s (see bygones).

Idioms and Phrases with bygones

bygones