one-off

Definitions

Something that is made, done, or happens only once.

A unique item or event that is not part of a series or regular production.

Examples

The company decided to offer a one-off bonus to all employees who worked during the holiday season.

This design is a one-off piece created specifically for the gallery exhibition.

Synonyms

unique single isolated solitary exceptional unrepeatable singular

Antonyms

recurring regular frequent habitual repeated common standard