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

Now 94, Cynthia still entertains with tales of bygone Barbados at the family's regular guest cocktail parties, whilst dinner is underscored by jazz singers and instrumentalists. — Jonnie Bayfield, Condé Nast Traveler, 19 July 2026

In his new book, Fast + Louche, the New York Times best-selling author and Vanity Fair special correspondent turns his former Interview magazine column into a gritty yet glamorous glimpse into a bygone era of celebrity. — Derek C. Blasberg, Vanity Fair, 7 July 2026

Even Puqio, with its hodgepodge of antiques, cowhide rugs, and crystal decanters filled with pisco and rum, felt like a time warp to a bygone era of exploration. — Chris Schalkx, Travel + Leisure, 4 July 2026

Reminiscent of a bygone era, these massive ships often serve as floating ambassadors on diplomatic missions. — Karissa Waddick, USA Today, 1 July 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