Heretofore means ‘before this time’ or ‘up to now’. (mainly AM FORMAL)
They reported that clouds are an important and ~ uninvestigated contributor to the climate.
= hitherto, previously
ADV: usu ADV with v, also ADV adj, ADV with cl
Heretofore means ‘before this time’ or ‘up to now’. (mainly AM FORMAL)
They reported that clouds are an important and ~ uninvestigated contributor to the climate.
= hitherto, previously
ADV: usu ADV with v, also ADV adj, ADV with cl
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012