Words similar to surefire

Example sentences for: surefire

How can you use “surefire” in a sentence? Here are some example sentences to help you improve your vocabulary:

E. Flashlight (also available: Wow, TopSpot, Surefire)
That is the surefire way for her to know you are not stalking her.
To hear him mumble his way through a conversation and hesitantly shuffle around is a surefire promo for the anti-boxing brigade.