day after day
• on each successive day over a long period.
• "the rain poured down day after day"
Similar:
repeatedly,
again and again,
over and over (again),
time and (time) again,
frequently,
often,
many times,
many a time,
time after time,
on many occasions,
many times over,
year in,
year out,
week in,
week out,
day in,
day out,
night and day,
all the time,
persistently,
recurrently,
constantly,
continuously,
without a break,
ceaselessly,
relentlessly,
continually,
regularly,
habitually,
unfailingly,
always,
oftentimes,
ad nauseam,
24/7,
many a time and oft,
oft,
oft-times,
day by day
• on each successive day; gradually and steadily.
• "day by day I grew worse"
Similar:
gradually,
bit by bit,
by degrees,
by stages,
inchmeal,
inch by inch,
little by little,
step by step,
slowly,
slowly but surely,
steadily,
progressively,
daily,
every day,
day after day,
a day at a time,
diurnally,
Opposite:
all at once,