HyperDic: day-and-night

English > 1 sense of the word *day-and-night*:
ADJECTIVE	all	day-and-night, around-the-clock, nonstop, round-the-clock	at all times

English > *day-and-night*: 1 sense > adjective 1
Meaning	At all times.
Synonyms	around-the-clock, nonstop, round-the-clock
Broader	continuous, uninterrupted	Continuing in time or space without interruption