Regressively refers to a tendency to move backward or to decline. Some synonyms for this word include retrogradely, deterioratingly, degressively, and downwardly. These words all describe a state of decline or deterioration, either in terms of progress, quality, or overall status. Other synonyms for regressively might include words like regrettably, unfortunately, or sadly, which imply a sense of disappointment or regret at the lack of progress or success in a particular situation. Whether used to describe an individual or group, a business or institution, or a society or culture as a whole, these words all convey a sense of backwards momentum or stagnation that is often seen as undesirable or unwelcome.