7
unsustainable
5
intermittent(adjective, irregular, sporadic)
4
occasional
4
sporadic
3
discontinuous
3
irregular
3
periodic
2
frozen(adjective, hot, stopped)
2
alternating
2
at different times
2
broken
2
halting(verb, adjective)
2
spasmodic
2
temporary
2
unpredictable
1
fitful
1
cease
1
ceasing(verb, adjective)
1
changeable
1
disconnected
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APASmart Define. (2016). continual thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/continual/thesaurus/antonyms
ChicagoSmart Define. 2016. "continual thesaurus" https://smartdefine.org/continual/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, continual thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/continual/thesaurus/antonyms>.
MLASmart Define. "continual thesaurus" 12 February 2016. Web. 22 September 2026. <https://smartdefine.org/continual/thesaurus/antonyms>