10
nonstop(adjective, direct, continue, continuous, continual)
8
around-the-clock(adjective, continue, continual)
7
incessant(adjective, continue, persistent, continual)
7
unceasing(adjective, continue, continual, incessant)
7
unremitting(adjective, continue, continual)
6
ceaseless(adjective, continue, continual)
6
constant(adjective, continue, continual)
6
continuous(adjective, continue, continual)
6
day-and-night
6
endless(adjective, continue, continual)
6
uninterrupted(adjective, continue, continual)
5
continual(adjective, continue)
5
interminable(adjective, continue, continual)
5
recurrent(adjective, continual)
5
steady(adjective, continual)
5
unending(adjective, continue, continual)
4
connected(adjective, continual)
4
ongoing(adjective, continue, continual)
4
perpetual(adjective, continue, continual)
4
repetitive(adjective, continual)
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APASmart Define. (2015). round-the-clock thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/round-the-clock/thesaurus/synonyms
ChicagoSmart Define. 2015. "round-the-clock thesaurus" https://smartdefine.org/round-the-clock/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, round-the-clock thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/round-the-clock/thesaurus/synonyms>.
MLASmart Define. "round-the-clock thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/round-the-clock/thesaurus/synonyms>