From Longman Dictionary of Contemporary Englishunknowingun‧know‧ing /ʌnˈnəʊɪŋ $ -ˈnoʊ-/ adjective [only before noun] formalNOT KNOW not realizing what you are doing or what is happening SYN unaware —unknowingly adverb She became ill after unknowingly taking an illegal drug.
Examples from the Corpus
unknowing• They can even become unknowing agents of propaganda.• Suddenly one of the best-known bandits in existence turns up, parks nearer us, and starts giving unknowing grins.• It took only a few seconds for Benny to rush on and spot her unknowing guides.• Incompetent doctors could seriously injure their unknowing patients.• It could have been Hope's unknowing repudiation of the popular notion of black people which fired my imagination. 