heretofore UK /ˌhɪətəˈfɔː/US /ˈhɪɹtəfɔɹ/ adverb2 •(formal) Before now, until now, up to the present time; from the beginning to this point.We now make available these works which were heretofore unpublished.He had more liberty now than he'd known heretofore. •Previously within the present text; earlier herein.heretofore referred to asheretofore mentioned