one-shot

adjective

ˈwən-ˌshät 

1

: that is complete or effective through being done or used or applied only once

there is no easy one-shot answer to the problem

2

: that is not followed by something else of the same kind

a one-shot tax cut

one-shot noun

Synonyms

• one-off
• onetime

Word History

First Known Use

1907, in the meaning defined at sense 1