'surefire' definitions:
Synonyms of 'surefire'
From: Moby Thesaurus
- assured of success,
- calculable,
- certain,
- coming,
- crowned with success,
- dependable,
- faithful,
- faithworthy,
- fast,
- firm,
- fortunate,
- invincible,
- made,
- on the up-and-up,
- on top,
- out in front,
- predictable,
- prosperous,
- reliable,
- secure,
- solid,
- sound,
- stable,
- staunch,
- steadfast,
- steady,
- substantial,
- succeeding,
- successful,
- sure,
- triumphant,
- trustworthy,
- trusty,
- unfailing,
- well-founded,
- well-grounded