unsystematically Antonyms
systematically
chronically
again and again
day in and day out
mathematically
measuredly
in a row
day after day
from day to day
at a regular interval
at regular time intervals
as regular as clockwork
in a consistent manner
analytically
gingerly
calmly
carefully
consistently
constantly
continually
continuously
deliberately
diligently
equably
formally
frequently
generally
in a systematic manner