unknowingly

UK
/ʌnˈnəʊ.ɪŋ.li/
US
/ʌnˈnoʊ.ɪŋ.li/

Examples

Unknowingly, the doctor and the druggist were creating great numbers of drug-fiends.

Sans le savoir, le médecin et le pharmacien créaient un grand nombre de toxicomanes.