bygone

adjective

by·​gone ˈbī-ˌgȯn 

also -ˌgän

: gone by : past

bygone days

especially : outmoded

bygone styles

bygone noun

Synonyms of bygone

• extinct
• defunct
• vanished
• gone

Examples of bygone in a Sentence

the bygone days of our ancestors

The stone wall is from a bygone age.

Recent Examples on the Web

But they would eventually be seen as a relic of the bygone days when Mexicans ruled — days that gringos imagined would never return. — Los Angeles Times, 4 Nov. 2026

In the absence of physical tickets, multiple bespoke, aftermarket businesses have sprouted, each offering fans the opportunity to reclaim a bygone tradition. — Johnny Flores Jr, New York Times, 21 Oct. 2026

Cope, who participated in Frieze London with his namesake gallery, is intentionally alluding to a bygone era of art fairs with his participation in the Dallas and London Invitationals. — Hikmat Mohammed, ARTnews.com, 16 Oct. 2026

Luckily, the neighborhood has no shortage of historic hotels from a bygone era of the city. — Timothy Latterner, Condé Nast Traveler, 16 Oct. 2026

Word History

First Known Use

15th century, in the meaning defined above

Rhymes for bygone

• anton
• argon
• axon
• baronne
• baryon
• baton
• boron
• buisson
• capon
• cardon
• chiffon
• coupon

Kids Definition

bygone

adjective

by·​gone ˈbī-ˌgȯn 

also -ˌgän

: gone by : past

a bygone era

bygone noun