one-off

adjective

1. done, occurring, or made only once; one-shot.

noun

1. something occurring, done, or made only once.

one-off

noun

1. Alsoone-shot
   1. something that is carried out or made only once
   2. ( as modifier )

      a one-off job

Word History and Origins

Origin of one-off¹

First recorded in 1935–40

Word History and Origins

Origin of one-off¹

See off (sense 15)

Example Sentences

The former senior intelligence official said the hacking bore the hallmarks of a “campaign,” and not a one-off operation.

From The Daily Beast

Most Cacophony events were one-off affairs, just enough to jam the culture a bit before moving on.

From The Daily Beast

Kennedy disliked having girlfriends, preferring one-off conquests instead, but made an exception for Mary Meyer.

From The Daily Beast

That could be much more effective than a high-profile, one-off high-level Kerry visit.

From The Daily Beast

I did a one-off episode of The New Normal for Ryan Murphy, and that was the first time I played a gay role.

From The Daily Beast

A little one-off, a changeling without clan or magic of any kind.

From Project Gutenberg

One-off-two, one-off-three, etc.: When your opponent has played two strokes more your next stroke is one-off-two, and so on.

From Project Gutenberg