Adjective
a onetime actor now turned singer
with any luck, that was a onetime mistake Adverb
an athlete who onetime competed in marathons on a regular basis
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Adjective
Some of Hollywood’s biggest stars in the action blockbuster world are paying their respects to Chuck Norris, the actor and onetime martial arts champion who died Thursday.—Kory Grow, Rolling Stone, 20 Mar. 2026 So as Wall Street swings from record high to selloff and back again, private credit's onetime promise has turned into another source of market instability.—Maria Aspan, NPR, 19 Mar. 2026
Adverb
In a podcast last week, onetime CBS News anchor Connie Chung clashed with her husband and shock show host Maury Povich over the impact so far on CBS.—Paul Bedard, The Washington Examiner, 8 Dec. 2025 She was married only once, very briefly to Brazilian industrialist Roberto Seabra, and then had a 30-year relationship with Raymond Marcellin, onetime Interior Minister of France, before his death in 2004.—Mike Barnes, HollywoodReporter, 29 Nov. 2025 See All Example Sentences for onetime