once a day
Each twenty-four hours
Once a day means happening one time in every twenty-four-hour period.
The phrase describes regular daily occurrence—taking medication once a day, feeding a pet once a day.
The doctor said to take the pill once a day with food.
It emphasizes single rather than multiple daily instances.
- choreRoutine domestic task
- dosageMeasured medicine amount
- regimenPrescribed course of treatment
- circadian rhythmBuilt-in sleep-wake cycle
- habitSettled regular tendency
schedule · recurring · same time · adherence · pill · pill organizer · routine · exercise · medication · prescription · doctor's orders · sunrise · regular · instructions · ritual · practice · supplement · reminder
frequency
once a dayconstantly
At all times
continuously · nonstop · all the time · never · around the clock
regularity
once a daysporadically
At irregular intervals
irregularly · randomly · erratically · unpredictably · haphazardly