(adv.) In a perennial manner.

ad infinitum again and again always at a stretch at all times ceaselessly connectedly constantly continually continuously cumulatively cyclically daily daily and hourly day after day day and night endlessly eternally ever ever and anon everlastingly every day every hour every moment hour after hour hourly in perpetuity incessantly indestructibly infinitely interminably monotonously month after month never-endingly night and day on a stretch on and on on end perdurably permanently perpetually rapidly regularly repetitively right along round the clock steadily sustainedly time without end together unbrokenly unceasingly unendingly unintermittently uninterruptedly unrelievedly unvaryingly without a break without cease without end without letup without stopping world without end year after year