166 entries under adjective topic. ×

5
thoroughgoing(thorough, meticulous, painstaking)
4
ambitious(work, labour, multitask)
4
dynamic
4
exact(thorough, meticulous, painstaking)
4
finicky(thorough, meticulous, painstaking)
4
keen(smart, skillful, nimble-witted)
4
mindful(thoughtful, sober, considerate, cautious)
4
observant(thoughtful, sober, considerate, cautious)
4
operose(work, labour, multitask)
4
pertinacious
4
plodding(activity, work, labour, multitask)
4
productive(work, strain, firmness, labour)
4
spirited
4
tenacious
4
unfailing(certain, unchanging)
4
vigorous
4
watchful(considerate, cautious, responsive, helpful)
3
bustling
3
concentrated
3
conscionable(thorough, meticulous, painstaking)
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APASmart Define. (2015). assiduous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/assiduous/thesaurus/synonyms
ChicagoSmart Define. 2015. "assiduous thesaurus" https://smartdefine.org/assiduous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, assiduous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/assiduous/thesaurus/synonyms>.
MLASmart Define. "assiduous thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/assiduous/thesaurus/synonyms>