5
reciprocal(adjective, common, popular, universal, joint)
5
running(adjective, steady, logical, frequent, incessant)
5
scrupulous(adjective, close, correct, firm, honest)
5
sempiternal(adjective, eternal)
5
shared(adjective, common, popular, universal, joint)
5
social(adjective, common, popular, universal, joint)
5
socialistic(adjective, common, popular, universal, joint)
5
static(adjective, set, still, regular, fixed)
5
strict(adjective, close, strong, correct, flat)
5
united(adjective, common, popular, universal, joint)
5
unshakeable(adjective, resolute)
5
untiring(adjective, determined, persevering)
5
unvaried
5
widespread(adjective, common, popular, universal, joint)
4
active(continuous, meticulous, industrious, flowing, diligent)
4
around-the-clock(adjective, continue, continual)
4
coherent(adjective, even, consistent, uniform, continuous)
4
cyclical(adjective, regular, continuous)
4
decisive(adjective, good, strong, honest, solid)
4
devout(adjective, kind, true, caring, loving)
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APASmart Define. (2016). constant thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/constant/thesaurus/synonyms
ChicagoSmart Define. 2016. "constant thesaurus" https://smartdefine.org/constant/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, constant thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/constant/thesaurus/synonyms>.
MLASmart Define. "constant thesaurus" 12 February 2016. Web. 20 September 2026. <https://smartdefine.org/constant/thesaurus/synonyms>