8
round-the-clock(adjective, continue, continual)
6
nonstop(adjective, continue, continual)
5
day-and-night(adjective, continual)
4
ceaseless(adjective, continue, steady, persistent, constant)
4
constant(adjective, continue, continual)
4
continual(adjective, continue, constant, incessant)
4
continuous(adjective, continue, continual)
4
endless(adjective, continue, continual)
4
ongoing(adjective, continue, continual)
4
perpetual(adjective, continue, continual)
4
unceasing(adjective, continue, continual)
4
uninterrupted(adjective, continue, continual)
4
unremitting(adjective, continue, continual)
3
eternal(adjective, continue, continual)
3
everlasting(adjective, continue, continual)
3
incessant(adjective, continue)
3
interminable(adjective, continue, continual)
3
persistent(adjective, continue, continual)
3
relentless(adjective, continue, continual)
3
timeless(adjective, continue, continual)
<123>
13 years ago|1.9k views|share |citing 
APASmart Define. (2013). around-the-clock thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/around-the-clock/thesaurus/synonyms
ChicagoSmart Define. 2013. "around-the-clock thesaurus" https://smartdefine.org/around-the-clock/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, around-the-clock thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/around-the-clock/thesaurus/synonyms>.
MLASmart Define. "around-the-clock thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/around-the-clock/thesaurus/synonyms>