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

They were originally built to pay homage to the Sound’s bygone era as a gold mining settlement. — Condé Nast, Condé Nast Traveler, 6 Oct. 2026

This decline is often captured sentimentally in memoirs about the Jewish South of a bygone era or photographs of Jewish cemeteries in various states of disrepair. — Ashley Walters, The Conversation, 30 Sep. 2026

Their work here evokes the grubby, pixellated textures and the seedy-dreamy ambience of a bygone trash-TV era. — Justin Chang, New Yorker, 25 Sep. 2026

The series will end its eight-season run on Monday as the lone symbol of a bygone era at The CW. — Katie Campione, Deadline, 24 Sep. 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