bygone

adjective

by·​gone ˈbī-ˌgȯn 

 also  -ˌgän

: gone by : past

bygone days

especially : outmoded

bygone styles

bygone noun

Synonyms

• bypast
• dead
• defunct
• departed
• done
• expired
• extinct
• gone
• nonextant
• vanished

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

More than any of his movie star peers, Cruise seems aware that someone has to symbolize an increasingly bygone era of filmmaking, to be this century’s Charlie Chaplin. —Amy Nicholson, Los Angeles Times, 15 May 2025

Newsletter Sign up for our email newsletter for the latest science news When arsenic is mentioned, many people associate it with a bygone poison. —Emilie Le Beau Lucchesi, Discover Magazine, 15 May 2025

Once considered a sacred yet bygone ritual, the Black hair show has reemerged. —Tiana Randall, Forbes.com, 9 May 2025

But this seemingly bygone profession appears to be enjoying a resurgence of interest triggered, at least in part, by Gen-Z’s enthusiasm for all things analog — and a desire for work far away from computer screens. —Rosa Rahimi, CNN Money, 29 Apr. 2025

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