one-off

adjective

ˌwən-ˈȯf 

1

: limited to a single time, occasion, or instance : one-shot

one-off gigs

a one-off payment

2

: singular, unique

a one-off design

one-off noun

Synonyms of one-off

• only
• special
• one
• unique
• lone

Examples of one-off in a Sentence

an actress who commissioned a one-off dress from the designer for the Oscars

the tour is a one-off event to commemorate the band's 20th anniversary

Recent Examples on the Web

Though there have been previous attempts at airlifting nuclear reactors, this marks the first time a complete reactor has been shipped as part of a repeatable, commercial-first logistics chain intended for operational military and industrial use rather than as a one-off scientific test. —David Szondy february 21, New Atlas, 21 Feb. 2026

Taking the time to complete each of these steps to the fullest means the clinic avoids performing quick, one-off procedures that leave more room for error and leave patients feeling unimportant. —Ethan Stone, USA Today, 20 Feb. 2026

Among the documents is an email exchange from 2009 in which Mandelson appears to discuss Britain’s plans to impose an additional tax on bankers’ bonuses as a punitive, one-off measure following the crash. —Lauren Kent, CNN Money, 19 Feb. 2026

Dehnart says the live finale for this season is probably a one-off. —Nina Metz, Chicago Tribune, 19 Feb. 2026

Word History

First Known Use

1934, in the meaning defined at sense 1

Rhymes for one-off

• cerenkov
• ashraf
• checkoff
• cutoff
• falloff
• handoff
• kickoff
• layoff
• liftoff
• markoff
• markov
• payoff