SUREFIRE


Meaning of SUREFIRE in English

sure ‧ fire /ˈʃɔːfaɪə $ ˈʃʊrfaɪr/ BrE AmE adjective [only before noun]

informal certain to succeed:

Children soon learn that bad behaviour is a surefire way of getting attention.

a surefire recipe for success

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.