50 entries under adjective topic. ×

4
corking
3
assiduous
3
industrious
3
untiring(determined, persevering)
3
diligent
3
sedulous
2
congesting(verb, hindering)
2
plodding(verb, strong, firm, determined)
2
constant(strong, firm, determined, active)
2
continuing(strong, firm, determined, steady)
2
dogged(strong, firm, determined, steady)
2
grind(strong, firm, energetic, lively)
2
indefatigable(strong, firm, determined, active)
2
indomitable(strong, firm, determined, steady)
2
patient(strong, firm, determined, steady)
2
persevering(strong, keen, firm, lively)
2
persistent(strong, firm, energetic, lively)
2
pertinacious(strong, firm, determined, active)
2
resolute(strong, firm, determined, steady)
2
steady(strong, firm, energetic, lively)
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APASmart Define. (2015). plugging thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/plugging/thesaurus/synonyms
ChicagoSmart Define. 2015. "plugging thesaurus" https://smartdefine.org/plugging/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, plugging thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/plugging/thesaurus/synonyms>.
MLASmart Define. "plugging thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/plugging/thesaurus/synonyms>