make-or-break

[ meyk-er-breyk ]
/ ˈmeɪk ərˈbreɪk /

adjective

either completely successful or utterly disastrous: a make-or-break marketing policy.

Origin of make-or-break

First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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