(adv.) Not seldom; frequently.

ad infinitum at a stretch ceaselessly commonly connectedly constantly continually continuously cumulatively cyclically day after day day by day endlessly frequently habitually in many instances incessantly interminably many a time many times many times over monotonously most often much not infrequently not seldom oft often often enough oftentimes ofttimes on a stretch on and on on end ordinarily over and over perennially recurrently repeatedly repetitively round the clock routinely several times time after time time and again times without number together unbrokenly unceasingly unintermittently uninterruptedly unrelievedly unseldom usually whenever you wish without a break without cease without stopping year after year