from time to time Antonyms

without interruption time and time again time and again over and over again over and over chronically ceaselessly unceasingly invariably yearly around the clock round the clock all the time entire time very often many times time after time on and on non-stop every time at all times night and day systematically repeatedly everlastingly ever eternally endlessly continuously continually constantly consistently annually forever fortnightly frequently regularly persistently perpetually permanently periodically oftentimes often interminably incessantly always