night and day
• all the time; constantly.
• "she studied night and day"
Similar:
all the time,
the entire time,
around the clock,
day and night,
morning,
noon,
and night,
day in,
day out,
without a break,
ceaselessly,
endlessly,
incessantly,
interminably,
constantly,
unceasingly,
perpetually,
permanently,
continuously,
continually,
eternally,
unremittingly,
remorselessly,
relentlessly,
24/7,
without surcease,
day and night
• all the time.
• "the district is patrolled day and night"
