неудачно
improspere;
infauste;
infeliciter;
подпольный
occultus [a, um];
напротив
adversus;
exadversum;
ex
certus [a, um]; haud (non) dubius [a, um]; indubius [a, um]; haud ambiguus [a, um] ; non controversus [a, um] ; incontroversus [a, um] ; indubitatus [a, um] ; exploratus [a, um] ; irrecusabilis [e] ;
+ бесспорные данные notitiae indubiae;