security Pronunciation: /sɪˈkjʊərɪtɪ/Translate security | into French | into Italian | into Spanish German translation of securityn. 1 Sicherheit security [measures] = Sicherheitsmaßnahmen (Pl.) 2 [Finance] securities pl. = Wertpapiere (Pl.)security in other Oxford dictionaries Definition of security in the British & World English dictionary Definition of security in the US English dictionary