desultorily Antonyms

on an ongoing basis at full steam on a daily basis at regular time intervals at a regular interval tenaciously purposefully on a regular basis lightning fast in droves hand and foot in regular intervals on a consistent basis on a permanent basis on a full-time basis on a continuous basis on a continuing basis on a continual basis on a constant basis on careful examination on careful evaluation on careful assessment on careful analysis full speed ahead from day to day systematically persistently oftentimes often generally frequently continuously continually constantly consistently chronically again and again day after day from A to Z at full stretch full bore full throttle inside out as a rule methodically laboriously day in and day out completely