9 entries under labour topic. ×

55
persistent(adjective, strain, firmness, continuous)
39
consistent(adjective, strain, firmness, uniform, continuous)
38
stable(adjective, strain, firmness, hardiness)
36
sound(adjective, strain, firmness, hardiness)
23
steady(adjective, strain, firmness, uniform, continuous)
21
constant(adjective, strain, firmness, continuous)
21
invariable(adjective, strain, firmness, uniform, continuous)
20
lasting(adjective, strain, firmness, continuous)
19
perpetual(adjective, strain, firmness, continuous)
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APASmart Define. (2016). seamless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/seamless/thesaurus/synonyms
ChicagoSmart Define. 2016. "seamless thesaurus" https://smartdefine.org/seamless/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, seamless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/seamless/thesaurus/synonyms>.
MLASmart Define. "seamless thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/seamless/thesaurus/synonyms>