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Definitions

bygone

[bahy-gawn, -gon] / ˈbaɪˌgɔn, -ˌgɒn /
ADJECTIVE
in the past
Synonyms
STRONG
ancient dead departed former lost
WEAK
antiquated archaic belated dated defunct down memory lane erstwhile extinct forgotten gone gone-by in oblivion late of old of yore old-fashioned old-time olden oldfangled one-time out-of-date previous quondam sometime vanished water over the dam water under the bridge
Antonyms
STRONG
alive existent existing living
WEAK
modern new recent

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Britannia rules the waves” encapsulated Great Britain’s command of the seas in a bygone era, but it’s now an empty slogan indicting the British navy’s decline.

From The Wall Street Journal • Apr. 6, 2026

But they did produce fascinating scenes reminiscent of a bygone era, encapsulating the essence and charm of the FA Cup's history.

From BBC • Feb. 15, 2026

Unlike Steve, I haven’t agonized much about my bygone career or felt much of a vacuum where it once was.

From The Wall Street Journal • Feb. 12, 2026

Long reserved for women or military dress, brooches adorned men's chests during Milan Fashion Week, a throwback to a bygone era but with jewellery now signalling individuality, not just status.

From Barron's • Jan. 20, 2026

And they lived longer because of it—up to 150 or 200 years, in bygone days.

From "Newjack: Guarding Sing Sing" by Ted Conover