The phrase "surefire way" means a method or technique that is guaranteed to work, produce the desired result, or be successful. It's something that can be relied upon and doesn't have any room for failure or doubt.
Sentences with «surefire way»
«Avoiding the press is the only surefire way for Recchia to keep his foot out of his mouth,» a Democratic operative said. (thealbanyproject.kinja.com)
Because HIV can be passed on through breast milk, formula feeding is the only surefire way for a baby to remain HIV negative after birth. (babycenter.com)
Worrying about your intelligence, according to psychologists, is one of the most surefire ways to lose yourself a few IQ points. (inc.com)