do-or-die

[ doo-er-dahy ]
/ ˈdu ərˈdaɪ /

adjective

reflecting or characterized by an irrevocable decision to succeed at all costs; desperate; all-out: a do-or-die attempt to halt the invaders.
involving a potentially fatal crisis or crucial emergency.

Origin of do-or-die

First recorded in 1875–80

Example sentences from the Web for do-or-die

British Dictionary definitions for do-or-die

do-or-die

adjective

(prenominal) of or involving a determined and sometimes reckless effort to succeed